MCQs on Acids and Bases
1. Bleaching powders chemical name is
(a) calcium hypo oxychloride
(b) calcium oxychloride
(c) calcium chloride
(d) calcium chloro oxide
Answer:::: (b)
2. The ratio of the water molecule in plaster of paris and gypsum is
(a) 3:1
(b) 1:3
(c) 1:4
(d) 4:3
Answer:::: (c)
3. Baking powder is
(a) sodium carbonate + sodium tartaric
(b) sodium bicarbonate + sodium tartaric
(c) sodium carbonate + tartaric acid
(d) sodium carbonate + sodium benzoate
Answer:::: (b)
4. Gastric juice contains HCl which is one example of
(a) inorganic acid
(b) organic acid
(c) soft organic acid
(d) strong inorganic acid
Answer:::: (a)
5. When milk of magnesia reacts with acetic acid it produces
(a) basic salts
(b) acidic salts
(c) neutral salt
(d) complex salt
Answer:::: (c)
6. Which of the following phenomena will occur when a small amount of acid is added to water?
(a) dilution
(b) neutralisation
(c) salt formation
(d) ionization
Answer:::: (a, d)
7. Brine is used for industrial production of
(a) NaOH
(b) KOH
(c) bleaching powder
(d) none of the above
Answer:::: (a)
8. When base reacts with the non-metal oxide
(a) it neutralizes each other
(b) it creates fire
(c) it produces acidic salts
(d) it produces basic salts
Answer:::: (a)
9. Corrosive effect on the skin is caused by
(a) acids
(b) bases
(c) water
(d) mercury
Answer:::: (a, b)
10. The acid used for the manufacture of fertilizers and explosives is
(a) nitric acid
(b) sulfuric acid
(c) phosphoric acid
(d) hydrochloric acid
Answer:::: (a)
