Chemistry MCQs

Question 1

Benzene cannot undergo :

Accepted Answer

Elimination

Answer

Substitution

Answer

Addition

Answer

Oxidation

Question 2

Which one is the simplest aromatic hydrocarbon?

Accepted Answer

Benzene

Answer

Aspirin

Answer

Chloride

Answer

Picric acid

Question 3

Saccharin is made up of

Accepted Answer

Toluene

Answer

Phenol

Answer

Propane

Answer

Butane

Question 4

The compound to which H2 does not add is

Accepted Answer

Tetraphenyl ethylene

Answer

Biphenyl ethylene

Answer

Tetra – a –naphthylethylene

Answer

Tetra –9 – phenanthrylethylene

Question 5

Which of the following is not a nitrogenous fertilizer ?

Accepted Answer

Ca(CN)2

Answer

CaCN2

Answer

NH4NO3

Answer

Urea

Question 6

The pair of compounds used as anaesthetic in medicines :

Accepted Answer

Nitrous oxide, Chloroform

Answer

Ether, Ammonia

Answer

Chloroform, Nitrogen dioxide

Answer

Nitrogen dioxide, ether

Question 7

Which of the following is used for refrigeration?

Accepted Answer

Freon

Answer

Sulphur dioxide

Answer

Chlorine

Answer

Phosphine

Question 8

Freon used as refrigerant is chemically

Accepted Answer

Chlorofluoro hydrocarbon

Answer

Chlorinated hydrocarbon

Answer

Fluorinated hydrocarbon

Answer

Fluorinated aromatic compound

Question 9

The gas used for artificial fruit ripening of green fruit is

Accepted Answer

Ethylene

Answer

Acetylene

Answer

Ethane

Answer

Methane