set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

Match Column-I with Column-II:

a) A – Q; B – R; C – S; D – P

b) A – Q; B – R; C – P; D – S

c) A–R; B–Q; C–P; D–S

d) A – R; B – Q; C – S; D – P

Question : 2

Arrange the following bases in increasing order of their, basic strength

1. Sodium hydroxide
2. Magnesium hydroxide.
3. Aluminium hydroxide
4. Ammonium hydroxide

a) 4 3 2 1

b) 4 2 1 3

c) 4 1 2 3

d) 1 2 3 4

Question : 3

Acids are ____________ in taste while bases are ____________ in taste.

a) sweet, sour

b) sour, salty

c) sweet, salty

d) sour, bitter

Question : 4

When the stopper of a bottle containing colourless liquid was removed, the bottle gave smell like that of vinegar. The liquid in the bottle could be

a) sodium hydroxide solution

b) acetic acid solution

c) hydrochloric acid

d) saturated sodium hydrogen carbonate solution

Question : 5

The hypo solution used in photography is an aqueous solution of

a) Sodium tetrathionate

b) Sodium sulphate

c) Sodium thiosulphate

d) Ammonium per sulphate

Question : 6

Why bases are kept in glass bottles?

a) Bases are corrosive in nature

b) Bases produce OH– ions in aqueous solutions

c) Basic solutions are conducting in nature

d) Bases have soapy texture