acids, bases, salts and metals - Category wise Question and Answer Practice Test with Solutions

Question : 1 [BPSC (Pre) 2011]

Table salt (NaCl) is a product of

a) Strong acid and strong base

b) Weak acid and strong base

c) Weak acid and weak base

d) Strong acid and weak basic

Question : 2

Bleaching powder gives smell of chlorine because it –

a) is a mixture of chlorine and slaked lime

b) is unstable

c) gives chlorine on exposure to atmosphere

d) contains excess of chlorine

Question : 3 [IAS (Pre) 2005]

Consider the following statements.

1. Anhydrous Sodium bicarbonate is commonly known as baking sodium (baking soda).
2. Baking soda is used as a fire extinguisher.
3. Bleaching powders are produced in Hasnclaver plant.

a) 2 and 3

b) Only 3

c) 1, 2 and 3

d) 1 and 2

Question : 4

Acid contained in the sting of an ant is ___________ .

a) formic acid

b) lactic acid

c) acetic acid

d) ascorbic acid

Question : 5 [CDS]

Statement I :
Addition of water to an aqueous solution of HC1 decreases the pH.
Statement II :
Addition of water suppresses the ionisation of HC1.

a) Statement I is true, but Statement II is false

b) Both the statements are individually true and Statement II is the correct explanation of Statement I

c) Both the statements are individually true but Statement II is not the correct explanation of Statement I

d) Statement I is false, but Statement II is true