Subject

Chemistry

Class

JEE Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

91.

The compound which on reaction with aqueous HNO2 at low temperature produces an oily nitrosoamine is

  • methyl amine

  • ethyl amine

  • diethyl amine

  • aniline


92.

Reduction of acetyl chloride with H2 in presence of Pd gives

  • CH3COCH3

  • C2H5OH

  • CH3COOH

  • CH3CHO


93.

Amongst the following the most basic compund is

  • benzyl amine

  • aniline

  • acetanilide

  • p -nitroaniline


94.

Polymerisation in which two or more chemically different monomers take part, is called

  • addition polymerisation

  • co-polymerisation

  • chain polymerisation

  • homo polymerisation


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95.

Strach is the polymer of

  • glucose

  • fructose

  • both (a) and (b)

  • None of these


96.

Polythene is an addition polymer of

  • methane

  • ethane

  • ethylene

  • acetylene


97.

Which carbohydrate is an essential constituent of plant cells?

  • Starch

  • Cellulose

  • Sucrose

  • Vitamins


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98.

The deficiency of vitamin -B1 causes

  • beri-beri

  • scurvy

  • rickets

  • anaemia


A.

beri-beri

Beri-beri is caused by deficiency of vitamin-B1.


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99.

Which of the following is not present in nucleic acids?

  • Uracil

  • 2-aminopyridine

  • Thymine

  • Adenine


100.

Nylon is a

  • polyamide

  • polyester

  • polyethylene

  • polypropylene


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