Importance of Chemistry in Everyday Life: The scientific study of matter’s properties and behavior is known as chemistry. It is a natural science that studies the elements that makeup matter, as well as the compounds, made up of atoms, molecules, and ions: their composition, structure, qualities, and behavior, as well as the changes that occur when they mix with other things.
What is Chemistry?
Chemistry is a discipline that falls somewhere between physics and biology in terms of scope. It is also referred to as the “core science” since it provides a fundamental framework for understanding both basic and applied scientific disciplines.
Chemistry, for example, explains aspects of plant chemistry (botany), the formation of igneous rocks (geology), how atmospheric ozone is formed and how environmental pollutants are degraded (ecology), the properties of lunar soil (cosmochemistry), how medications work (pharmacology), and how to collect DNA evidence at a crime scene (criminology) (forensics).
Chemistry is a discipline of science concerned with the study of matter, including its structure, composition, and changes that occur when it is exposed to various situations. As a result, chemistry not only investigates the qualities of matter, but also how and why it changes.
How Chemistry is Important in Everyday Life?
Chemistry is like our everyday lives unseen behind-the-scenes wizard, quietly influencing everything around us in a myriad of ways. It is found in the air we breathe, a mixture of gases that chemists comprehend and control for a variety of uses, including carbon dioxide for photosynthesis in plants and oxygen for human survival.
Every time you prepare food, chemistry is at work, changing the taste, texture, and appearance of raw components to create delectable dishes.
Below are the importances of chemistry in various fields:
Importance of Chemistry in Food
Importance of Chemistry in Medicines
Importance of Chemistry in Cosmetics
Importance of Green Chemistry
Importance of Chemistry in Soaps and Detergents
Importance of Chemistry in Textiles
Importance of Chemistry in Building and Construction
Importance of Chemistry in Fuel
Importance of Chemistry in Battery
Importance of Chemistry in Agriculture
Importance of Chemistry in Wars
Importance of Chemistry in Food
Chemicals are the fundamental components of everything. Chemical molecules make up all food, includingcarbs, vitamins, lipids, proteins, and fiber, which are all safe and often desirable.
Food Additives
Chemicals have an important part in the manufacturing and preservation of food. Food preservation chemicals have tremendously aided in the preservation of food for a longer duration. Cans of food additives, flavourings, and nutritional supplements can all contribute to improve the quality and quantity of meals.
Chemistry has provided the globe with vital fertilizers, herbicides, insecticides, and fungicides to aid in the production of healthy and nutritious crops, fruits, and vegetables.Urea, calcium superphosphates, ammonium sulphate, and sodium nitrate are all significant fertilisers.
Importance of Chemistry in Medicines
Medicines or pharmaceuticals are chemical substances that are used to treat diseases and relieve pain. Chemistry has made significant contributions to health care. Chemistry, for example, aids in the manufacture and application of surgical materials (sutures, artificial skin, and sterile materials).
For analysis, clinical laboratory tests employ a wide range of chemical procedures and substances.
Some important drugs in chemistry-
Analgesics are pain relievers that are used to treat a variety of ailments.
Tranquilizers are medications that are used to treat mental illnesses. Take, for instance, tension.
Antiseptics are used to destroy or prevent the growth of microorganisms on the skin, wounds, and cuts.
Disinfectants- These are chemicals that destroy microorganisms but are dangerous to humans.
Antibiotics- Antibiotics are chemical substances produced by some microorganisms that can be used to kill bacteria that cause infections.
Antacids- These are the compounds that are used to eliminate excess acid from the stomach and increase the pH to a healthy level.
Importance of Chemistry in Cosmetics
In our daily lives, we use lotions, fragrances, talcum powder, and a variety of other cosmetic goods. All of these items are developed in laboratories using chemicals for our health and skin. All cosmetic items, from babies to adults, are made up of chemical components.
As a result, chemistry is important in maintaining the pH of our skin, keeping it healthy, and removing any marks.
Importance of Green Chemistry
Green chemistry contributes to environmental protection by monitoring, protecting, and enhancing the conditions in which we live, such as air, water, and soil. Many methods and strategies have been created to ensure that all types of pollution in the environment are measured and prevented from depleting.
To make the air cleaner, many non-polluting fuels and compounds that can easily absorb contaminants from the air are being researched and tested. The replacement of CFC in refrigerators is one such example.
For interpreting health impacts, controlling emissions, and creating pollution-reduction devices, chemistry gives a complete understanding of contaminants.
Chemists test the water and soil for contamination on a regular basis and offer pollution results as well as long-term prevention for ecological balance and human health.
Importance of Chemistry in Soaps and Detergents
Soaps are sodium and potassium salts of fatty acids with greater molecular weights, such as stearic acid, palmitic acid, and oleic acid. Sodium salts of long-chain alkyl hydrogen sulphates or sodium salts of long-chain alkyl benzene sulphonic acids are commonly used as detergents.
Detergents and soaps are used for washing, cleaning, and bathing, among other things. The saponification method is used to make them in chemical companies. As a result, chemistry plays a significant role in the development of molecules, chemicals, and procedures for the production of soaps and detergents.
Importance of Chemistry in Textiles
Wool, silk, jute, cotton, flax, glass fiber, polyester, acrylic, nylon, and other raw materials are used in the textile industry to create usable items such as clothing, bags, carpets, furniture, towels, nets, and so on.
Raw materials go through a number of chemical procedures during which cleaning and smoothing reagents are employed to clean and smooth the fabric.
Other chemical processes including dyeing, bleaching, scouring, printing, and finishing are also involved. In addition, chemists seek to increase a product’s quality.
Importance of Chemistry in Building and Construction
Chemical items such as bricks, cement, pipelines, and other building materials all play an essential part in the quality of construction. Floor and wall tiles are constructed of heat-resistant polymers that also add strength to the structure.
Ceiling and roof materials are also designed to be heat resistant and give cooling to the structure. All of the pipes and switches are composed of polymers, which are both heat and stress-resistant.
As a result, chemistry enabled the use of all of these goods for the development of structures and people’s lives.
Importance of Chemistry in Fuel
Fuels are the sole thing that allows us to travel by land, sea, and air nowadays. Petrol, diesel, LPG, CNG, kerosene, oils, and other fuels are all obtained through sophisticated refining procedures from harsh oil found beneath the Earth’s crust.
Petrochemistry is a discipline of chemistry concerned with the study of petrochemical processes and how to use fuels in a way that is both pollution-free and long-term.
Importance of Chemistry in Battery
Batteries power our automobiles, electronic devices such as watches, laptops, mobile phones, and a variety of other power storage applications.
The electrochemistry concept governs the operation of batteries. Chemical energy is stored inside a battery and is transformed to electric energy through electrochemical processes.
Importance of Chemistry in Agriculture
Chemistry enhances agricultural productivity and sustainability by enabling innovative solutions to feed a growing population while minimizing environmental impact.
Soil health optimization is achievable through chemistry, analyzing and adjusting nutrient levels to ensure crops receive necessary nourishment.
Pesticides and herbicides, formulated with chemical principles, safeguard crops from pests and weeds, reducing crop loss.
Chemistry contributes to the development of fertilizers that boost crop yields, ensuring a consistent food supply.
Sustainable farming practices are developed with chemistry’s aid, reducing agriculture’s environmental footprint through responsible chemical use.
Overall, chemistry is indispensable in modern agriculture, driving increased food production, resource efficiency, and environmental stewardship.
Importance of Chemistry in Wars
TNT, RDX, HMX, gun powders used in bullets, and other explosives used in conflicts are all chemical compounds. It was the chemistry that allowed these chemicals to be used during the war. Nuclear weapons, which have become more well-known in recent years, are also chemical chemicals.
Conclusion of Importance of Chemistry in Everyday Life
Chemistry quietly shapes our world, delving into what things are made of and how they transform under different circumstances. It’s integral to our food’s nutrition and preservation, our clothing, medicines, and cosmetics. It engineers materials for homes, fuels vehicles, and enhances farming for healthier crops while mitigating pollution. Chemistry’s influence is pervasive, enriching our lives with improved quality, safety, and comfort every day.
Importance of Chemistry in Everyday Life – FAQs
What is the Importance of Chemistry in Engineering?
Chemistry impacts engineering across production, fuel research, and materials for construction. Understanding compound and element properties aids in comprehending mechanisms, fostering innovation for the future.
What is the Importance of Chemistry in Society?
Everything in our environment is formed of matter. Chemistry is significant in our civilization because it affects our basic needs for food, clothing, shelter, health, energy, and clean air, water, and soil, among other things.
What is the Importance of Chemistry in Agriculture?
Chemistry boosts agriculture with vital fertilizers, herbicides, insecticides, and fungicides, promoting healthy crop growth. Key fertilizers like urea, calcium superphosphates, ammonium sulfate, and sodium nitrate are instrumental in this process.
What is the Importance of Chemistry in Medicine?
Chemistry is vital in medicine, producing pharmaceuticals that treat diseases and alleviate pain. It facilitates the creation of surgical materials like sutures and artificial skin. Clinical lab tests rely on chemical procedures for analysis.
What are Some Examples of Chemistry in Daily Life?
Toothpaste, lotions, facewash, the food we eat, pharmaceuticals, batteries in watches, mobile phones, cars, laptops, and other electronic devices, and fuel in our vehicles are all instances of chemistry in our daily lives.
Why is Chemistry Important in Food?
Chemicals are essential components of all food, from nutrients like carbs, vitamins, and proteins to additives and flavorings that preserve quality and prolong shelf life
Neeraj Anand, Param Anand
Er. Neeraj K.Anand is a freelance mentor and writer who specializes in Engineering & Science subjects. Neeraj Anand received a B.Tech degree in Electronics and Communication Engineering from N.I.T Warangal & M.Tech Post Graduation from IETE, New Delhi. He has over 30 years of teaching experience and serves as the Head of Department of ANAND CLASSES. He concentrated all his energy and experiences in academics and subsequently grew up as one of the best mentors in the country for students aspiring for success in competitive examinations.
In parallel, he started a Technical Publication "ANAND TECHNICAL PUBLISHERS" in 2002 and Educational Newspaper "NATIONAL EDUCATION NEWS" in 2014 at Jalandhar. Now he is a Director of leading publication "ANAND TECHNICAL PUBLISHERS", "ANAND CLASSES" and "NATIONAL EDUCATION NEWS".
He has published more than hundred books in the field of Physics, Mathematics, Computers and Information Technology. Besides this he has written many books to help students prepare for IIT-JEE and AIPMT entrance exams. He is an executive member of the IEEE (Institute of Electrical & Electronics Engineers. USA) and honorary member of many Indian scientific societies such as Institution of Electronics & Telecommunication Engineers, Aeronautical Society of India, Bioinformatics Institute of India, Institution of Engineers. He has got award from American Biographical Institute Board of International Research in the year 2005.
CBSE Class 11 Chemistry Syllabus is a vast which needs a clear understanding of the concepts and topics. Knowing CBSE Class 11 Chemistry syllabus helps students to understand the course structure of Chemistry.
Unit-wise CBSE Class 11 Syllabus for Chemistry
Below is a list of detailed information on each unit for Class 11 Students.
UNIT I – Some Basic Concepts of Chemistry
General Introduction: Importance and scope of Chemistry.
Nature of matter, laws of chemical combination, Dalton’s atomic theory: concept of elements, atoms and molecules.
Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and calculations based on stoichiometry.
UNIT II – Structure of Atom
Discovery of Electron, Proton and Neutron, atomic number, isotopes and isobars. Thomson’s model and its limitations. Rutherford’s model and its limitations, Bohr’s model and its limitations, concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, concept of orbitals, quantum numbers, shapes of s, p and d orbitals, rules for filling electrons in orbitals – Aufbau principle, Pauli’s exclusion principle and Hund’s rule, electronic configuration of atoms, stability of half-filled and completely filled orbitals.
UNIT III – Classification of Elements and Periodicity in Properties
Significance of classification, brief history of the development of periodic table, modern periodic law and the present form of periodic table, periodic trends in properties of elements -atomic radii, ionic radii, inert gas radii, Ionization enthalpy, electron gain enthalpy, electronegativity, valency. Nomenclature of elements with atomic number greater than 100.
UNIT IV – Chemical Bonding and Molecular Structure
Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, VSEPR theory, concept of hybridization, involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules(qualitative idea only), Hydrogen bond.
UNIT V – Chemical Thermodynamics
Concepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions. First law of thermodynamics – internal energy and enthalpy, measurement of U and H, Hess’s law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. Second law of Thermodynamics (brief introduction) Introduction of entropy as a state function, Gibb’s energy change for spontaneous and nonspontaneous processes. Third law of thermodynamics (brief introduction).
UNIT VI – Equilibrium
Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of mass action, equilibrium constant, factors affecting equilibrium – Le Chatelier’s principle, ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of poly basic acids, acid strength, concept of pH, hydrolysis of salts (elementary idea), buffer solution, Henderson Equation, solubility product, common ion effect (with illustrative examples).
UNIT VII – Redox Reactions
Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons and change in oxidation number, applications of redox reactions.
UNIT VIII – Organic Chemistry: Some basic Principles and Techniques
General introduction, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyper conjugation. Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions.
UNIT IX – Hydrocarbons
Classification of Hydrocarbons Aliphatic Hydrocarbons: Alkanes – Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions. Alkenes – Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov’s addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition. Alkynes – Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of – hydrogen, halogens, hydrogen halides and water.
Aromatic Hydrocarbons:
Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties: mechanism of electrophilic substitution. Nitration, sulphonation, halogenation, Friedel Craft’s alkylation and acylation, directive influence of functional group in monosubstituted benzene. Carcinogenicity and toxicity.
To know the CBSE Syllabus for all the classes from 1 to 12, visit the Syllabus page of CBSE. Meanwhile, to get the Practical Syllabus of Class 11 Chemistry, read on to find out more about the syllabus and related information in this page.
CBSE Class 11 Chemistry Practical Syllabus with Marking Scheme
In Chemistry subject, practical also plays a vital role in improving their academic scores in the subject. The overall weightage of Chemistry practical mentioned in the CBSE Class 11 Chemistry syllabus is 30 marks. So, students must try their best to score well in practicals along with theory. It will help in increasing their overall academic score.
CBSE Class 11 Chemistry Practical Syllabus
The experiments will be conducted under the supervision of subject teacher. CBSE Chemistry Practicals is for 30 marks. This contribute to the overall practical marks for the subject.
The table below consists of evaluation scheme of practical exams.
Evaluation Scheme
Marks
Volumetric Analysis
08
Salt Analysis
08
Content Based Experiment
06
Project Work
04
Class record and viva
04
Total
30
CBSE Syllabus for Class 11 Chemistry Practical
Micro-chemical methods are available for several of the practical experiments. Wherever possible such techniques should be used.
A. Basic Laboratory Techniques 1. Cutting glass tube and glass rod 2. Bending a glass tube 3. Drawing out a glass jet 4. Boring a cork
B. Characterization and Purification of Chemical Substances 1. Determination of melting point of an organic compound. 2. Determination of boiling point of an organic compound. 3. Crystallization of impure sample of any one of the following: Alum, Copper Sulphate, Benzoic Acid.
C. Experiments based on pH
1. Any one of the following experiments:
Determination of pH of some solutions obtained from fruit juices, solution of known and varied concentrations of acids, bases and salts using pH paper or universal indicator.
Comparing the pH of solutions of strong and weak acids of same concentration.
Study the pH change in the titration of a strong base using universal indicator.
2. Study the pH change by common-ion in case of weak acids and weak bases.
D. Chemical Equilibrium One of the following experiments:
1. Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing/decreasing the concentration of either of the ions. 2. Study the shift in equilibrium between [Co(H2O)6] 2+ and chloride ions by changing the concentration of either of the ions.
E. Quantitative Estimation i. Using a mechanical balance/electronic balance. ii. Preparation of standard solution of Oxalic acid. iii. Determination of strength of a given solution of Sodium hydroxide by titrating it against standard solution of Oxalic acid. iv. Preparation of standard solution of Sodium carbonate. v. Determination of strength of a given solution of hydrochloric acid by titrating it against standard Sodium Carbonatesolution.
F. Qualitative Analysis 1) Determination of one anion and one cation in a given salt Cations‐ Pb2+, Cu2+, As3+, Al3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4+ Anions – (CO3)2‐ , S2‐, NO2‐ , SO32‐, SO2‐ , NO ‐ , Cl‐ , Br‐, I‐, PO43‐ , C2O2‐ ,CH3COO‐ (Note: Insoluble salts excluded)
2) Detection of ‐ Nitrogen, Sulphur, Chlorine in organic compounds.
G) PROJECTS Scientific investigations involving laboratory testing and collecting information from other sources.
A few suggested projects are as follows:
Checking the bacterial contamination in drinking water by testing sulphide ion
Study of the methods of purification of water.
Testing the hardness, presence of Iron, Fluoride, Chloride, etc., depending upon the regional variation in drinking water and study of causes of presence of these ions above permissible limit (if any).
Investigation of the foaming capacity of different washing soaps and the effect of addition of Sodium carbonate on it.
Study the acidity of different samples of tea leaves.
Determination of the rate of evaporation of different liquids Study the effect of acids and bases on the tensile strength of fibres.
Study of acidity of fruit and vegetable juices.
Note: Any other investigatory project, which involves about 10 periods of work, can be chosen with theapproval of the teacher.
Practical Examination for Visually Impaired Students of Class 11
Below is a list of practicals for the visually impaired students.
A. List of apparatus for identification for assessment in practicals (All experiments) Beaker, tripod stand, wire gauze, glass rod, funnel, filter paper, Bunsen burner, test tube, test tube stand, dropper, test tube holder, ignition tube, china dish, tongs, standard flask, pipette, burette, conical flask, clamp stand, dropper, wash bottle • Odour detection in qualitative analysis • Procedure/Setup of the apparatus
B. List of Experiments A. Characterization and Purification of Chemical Substances 1. Crystallization of an impure sample of any one of the following: copper sulphate, benzoic acid B. Experiments based on pH 1. Determination of pH of some solutions obtained from fruit juices, solutions of known and varied concentrations of acids, bases and salts using pH paper 2. Comparing the pH of solutions of strong and weak acids of same concentration.
C. Chemical Equilibrium 1. Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing/decreasing the concentration of eitherions. 2. Study the shift in equilibrium between [Co(H2O)6]2+ and chloride ions by changing the concentration of either of the ions.
D. Quantitative estimation 1. Preparation of standard solution of oxalic acid. 2. Determination of molarity of a given solution of sodium hydroxide by titrating it against standard solution of oxalic acid.
E. Qualitative Analysis 1. Determination of one anion and one cation in a given salt 2. Cations – NH+4 Anions – (CO3)2-, S2-, (SO3)2-, Cl-, CH3COO- (Note: insoluble salts excluded) 3. Detection of Nitrogen in the given organic compound. 4. Detection of Halogen in the given organic compound.
Note: The above practicals may be carried out in an experiential manner rather than recording observations.
We hope students must have found this information on CBSE Syllabus useful for their studying Chemistry. Learn Maths & Science in interactive and fun loving ways with ANAND CLASSES (A School Of Competitions) App/Tablet.
Frequently Asked Questions on CBSE Class 11 Chemistry Syllabus
Q1
How many units are in the CBSE Class 11 Chemistry Syllabus?
There are 9 units in the CBSE Class 11 Chemistry Syllabus. Students can access various study materials for the chapters mentioned in this article for free at ANAND CLASSES (A School Of Competitions).
Q2
What is the total marks for practicals examination as per the CBSE Class 11 Chemistry Syllabus?
The total marks for the practicals as per the CBSE Class 11 Chemistry Syllabus is 30. It includes volumetric analysis, content-based experiment, salt analysis, class record, project work and viva.
Q3
Which chapter carries more weightage as per the CBSE Syllabus for Class 11 Chemistry?
The organic chemistry chapter carries more weightage as per the CBSE Syllabus for Class 11 Chemistry.
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