set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that

a) the fuel is wet.

b) the fuel is not burning completely.

c) the food is not cooked completely.

d) the fuel is burning completely.

Question : 2

‘Drinking alcohol’ is very harmful and it ruins the health. ‘Drinking alcohol’ stands for:

a) drinking ethyl alcohol

b) drinking propyl alcohol

c) drinking methyl alcohol

d) drinking isopropyl alcohol

Question : 3

Isomers of a substance must have the same

a) chemical properties

b) physical properties

c) structural formula

d) molecular formula

Question : 4

Match List-I with List-II :

a) A – 4, B – 3, C – 4, D – 1

b) A – 1, B – 3, C – 2, D – 4

c) A – 4, B – 3, C – 2, D – 1

d) A – 4, B – 2, C – 3, D – 1