15. 12 निम्न बहुलकों को प्राप्त करने के लिए प्रयुक्त एकलक लिखिए-. (i) पॉलिवाइनिल क्लोराइड (ii) टेफ्लॉन (iii) बैकालाइट.
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Page 12. 176. Chemistry. 7.7 Phosphine. Phosphine. It is polymeric consisting of chains of having even number of electrons (see Class XI Chemistry Book
कक्षा - 12 (ऐच्छिक). हिंदी. प्रश्न पत्र बनाते हुए निम्न 'अंक - योजना' को ध्यान में रखा गया है
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Tranquilizers are a class of chemical compounds used for the treatment of C:Chemistry-12Unit-16.pmd 28.02.07. Answers to Some Intext Questions. 16.1 ...
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21 मई 2008 The present laboratory manual will be complementary to the textbook of Chemistry for Class XI. ... LABORATORY MANUAL CHEMISTRY. 12. BUNSEN BURNER.
(12)-NH2 समूह (एमीनों समूह ). 5. (i) CH - NH
classes. Environmental studies deal with the sum of all will be on environmental chemistry. ... requires nearly 12-15 times more air than the food. So.
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physical and chemical properties; Unit 12. On the other hand if carbon atoms ... of different classes of organic compounds in. Unit 12.