set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Washing soaps are potassium and sodium salts of

a) mineral acids

b) fatty acids

c) dicarboxylic acids

d) None of these

Question : 2

What is the composition of nitrolim – a chemical fertilizer ?

a) Calcium carbide and carbon

b) Calcium carbide and nitrogen

c) Nitrogen and limestone

d) None of these

Question : 3

Soaps are

a) sodium salts of trihydroxy alcohols

b) sodium salts of fatty acids containing carbon atoms 16 to 18

c) sodium salts of sulphuric acids containing carbon atoms 10 to 16

d) none of these

Question : 4

Night-blindness is caused due to the deficiency of

a) Vitamin C

b) Vitamin A

c) Vitamin D

d) Vitamin B

Question : 5

Flint glass is obtained from which of the following ?

a) Sodium aluminum borosilicate

b) Sand, red lead and potassium carbonate

c) Zinc and barium borosilicate

d) Pure silica and zinc oxide

Question : 6

Glass is actually

a) an elastic solid

b) an ionic solid

c) a crystalline solid

d) a vitrified liquid