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CBSE Class 12 Chemistry Practice Paper Set - III

Sep 28, 2015 17:51 IST

    Find CBSE Class 12 Chemistry Practice Paper (Set-3) for the coming half yearly exam. These questions will not only help the students to prepare for exams in a better manner, but will also help them in understanding the depth with which a topic should be studied.

    Few Sample Questions from this paper are as follows:

    Q. Why does ethyl amine has a lower boiling point than ethyl alcohol?

    Q. Differentiate between the rate constant and the rate of reaction.

    Q. Write the equations involved in the following reactions:

    (i) Williamson ether synthesis

    (ii) Friedel Craft's acetylation of anisole

    Q. Give reasons for the following:

    (i) Amino acids are amphoteric in nature.

    (ii) Amino acids have relatively higher melting points as compared to corresponding amino halo acids.

    Q. (i) How can the soaps be used to check the hardness of water?

    (ii) What are detergents? Why are detergents preferred over soaps?

    (iii) What are anionic and cationic detergents?

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