set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

The pH of fresh milk is 6. When it turns sour, the pH

a) becomes > 6

b) becomes < 6

c) remains the same i.e., 6

d) becomes neutral, i.e., 7

Question : 2

To develop photographic plates

a) Free Bromine releases

b) Light affected area quickly oxidizes

c) Sodium thiosulphate is used as oxidising agent

d) The solution is kept developing until all the Bromide is not dissolved

Question : 3

Acid turn blue litmus –

a) red

b) yellow

c) green

d) orange

Question : 4

Which of the following is acidic in nature –

a) soap solution

b) slaked lime

c) apple juice

d) lime

Question : 5

What is Neela thotha?

a) Calcium Sulphate

b) Iron Sulphate

c) Copper Sulphate

d) Sodium Sulphate

Question : 6

Match List-I with List-II and select the correct answer using the codes given below the lists:

a) A-4; B-2; C-3; D-1

b) A-2; B-4; C-1; D-3

c) A-2; B-3; C-1; D-4

d) A-4; B-2; C-1; D-3