NCERT Solutions for Class 12 Chemistry in PDF file format to free download based on latest NCERT Books, Solutions for Class 12 (+2 PUC) Chemistry updated for new academic session 2022-2023 are given below to use free. NCERT Books & Solutions, Assignments, Sample Papers, Notes and books for revision are available to download. After completing the chapter, for the preparation of session 2020–21 exam, you are suggested to do the three tests of Level 1, Level 2 and Level 3 and discuss it with your classmates and school teacher for answers. Also download NCERT books solutions of the subjects like Physics, Biology, Maths, Physical education etc.

NCERT Solutions for Class 12 Chemistry

Contents:NCERT Solutions

NCERT Solutions for Class 12 Chemistry in PDF form to free download are given below updated for new academic session 2022-2023. Download apps and NCERT Books in updated form based on latest CBSE Syllabus. Ask your doubts related to NIOS or CBSE or ICSE boards through Discussion Forum.

History of Chemistry – Modern Period

1. During 1600 AD – 1800 AD hypothesis and theories were established on the basis of experiments and observations. Many discoveries were made by scientists – Hydrogen by Cavendish, Chlorine by Scheele and Carbon dioxide by Black. In addition to these Davy, Lavoisier, Kekule, Faradey etc. made important contributions.
2. Since 1800 AD onward, the great scientists of this era Faraday, Avogadro, Grahm Bell, Becquerel, Curie Couple, Rutherford, Ramsay, de Broglie, C.V. Raman, H.J. Bhabha, Heisenberg, Jagdish Chandra Basu, etc. made important discoveries and inventions in many fields on the basis of which the modern science state could achieve the present state. It would be appropriate to accept all of them as well as wishers of humanity and scientist sages.

Chemistry in Medicines

Chemistry in Medicines – Invention and synthesis of new medicines has helped in keeping our bodies healthy and decreasing the mortality rate. We have been protected against the diseases like cholera, malaria and T.B. The pain of surgery has been decreased by antibiotics, antiseptics and anaesthetics. Cancer has been treated by the use of Cobalt – 60 (a radioactive element) in radiotherapy. Extracts, vinegar and alcohol are prepared by fermentation and antibiotics like penicillin, streptomycin and ciprofloxacin have saved our lives from infectious diseases.

Chemistry in Industry

Chemistry in Industry – The articles of use in our daily life are the gifts of industries. Chemicals are used in all the industries like agriculture, animal husbandry, fishery, wood, textile and food industries. Industries are good means of livelihood which strengthen the national economy. From industrial point of view, it is essential to give information regarding few areas like Plastic industry – is used for making buckets, mugs, soap, shoes, ropes etc. based on chemical. Rubber industry, metal and alloy industry, fuel industry, paints and varnish industry, nuclear energy, health and hygiene, etc. are based on different branches of chemistry.

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