13.
pH of Gastric juice is
Answer : A. 1.6
14.
The silver salt used in Photography is
Answer : A. AgBr
15.
The acid present in milk is known as
Answer : C. Lactic acid
16.
Hardness of water is due to the soluble salts of
Answer : D. calcium and magnesium
17.
Dibasic acid is
Answer : C. sulphuric acid
18.
Which of the following is incorrectly matched?
Answer : C. Basic Salt - Cu(OH) NO3