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

Question : 11 [IAS Prelim]

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

Question : 12 [MPPCS (Pre) 1990]

What is Neela thotha?

a) Calcium Sulphate

b) Iron Sulphate

c) Copper Sulphate

d) Sodium Sulphate

Question : 13

Which of the following is acidic in nature –

a) soap solution

b) slaked lime

c) apple juice

d) lime

Question : 14

On which of the following acid rain has adverse effects?

a) Historical monuments

b) Aquatic life

c) Marble structures

d) All of these

Question : 15 [NDA]

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