Chemistry MCQS - 2

Question: 6

pH of human body varies within the range of

(A) 5.5 to 5.8

(B) 6.0 to 6.5

(C) 7.0 to 7.8

(D) 7.0 to 11.0

Question: 7

Which of the following solutions should have the pH greater than seven?

(A) Acidic

(B) Basic

(C) Neutral

(D) All the above

Question: 8

Borax is one of the constituents in

(A) Safety glass

(B) Hard glass

(C) Flint glass

(D) Pyrex glass

Question: 9

The fluoride ore of aluminium is

(A) Bauxite

(B) Corundum

(C) Cryolite

(D) Haematite

Question: 10

An aqueous solution of sulphur dioxide forms

(A) Nitric acid

(B) Hydrochloric acid

(C) Sulphurous acid

(D) Sulphuric acid