Subject

Chemistry

Class

NEET Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

31.

Common alum is

  • K2SO4.Al2(SO4)3.24H2O

  • (NH4)2SO4.FeSO4.6H2O

  • K2SO4.Cr2(SO4)3.24H2O

  • K2SO4.Fe2(SO4)3.24H2O


32.

The general molecular formula for disaccharide is

  • C12H22O11

  • C10H20O10

  • C12H20O10

  • C12H22O10


33.

Which one of the following proteins transports oxygen in the blood stream?

  • Myoglobin

  • Insulin

  • Albumin

  • Haemoglobin


34.

Ethyl alcohol reacts with thionyl chloride to give

  • CH3CH2Cl + HCl

  • CH3CH2Cl + H2O + SO2

  • CH3CH2Cl +HCl + SO2

  • CH3CH2Cl +SO2 + Cl2


Advertisement
35.

Gabriel phthalimide reaction is used for the preparation of

  • primary aromatic amines

  • secondary amines

  • primary aliphatic amines

  • tertiary amines


Advertisement

36.

The monomers of terylene are

  • phenol and formaldehyde

  • ethylene glycol and phthalic acid

  • adipic acid and hexamethylenediamine

  • ethylene glycol and terephthalic acid


D.

ethylene glycol and terephthalic acid

Terylene it is a polymer of ethylene (ethane-1,2-diol) and terephthalic (benzene-1,4-dicarboxylic acid).


Advertisement
37.

Primary alcohols can be obtained from the reaction of R Mg X with

  • CO2

  • HCHO

  • CH3CHO

  • H2O


38.

Proteins are composed of

  • α- amino acids

  • carbohydrates

  • vitamins

  • mineral salts


Advertisement
39.

Heating of rubber with sulphur is called

  • vulcanisation

  • galvanisation

  • sulphonation

  • bessemerisation


40.

Which of the following statement is correct ?

  • +I group stabilises a carbocation

  • +I group stabilises a carbanion

  • -I group stabilises a carbocation

  • -I group stabilises a free radical


Advertisement