set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Baking soda is

a) Sodium Dihydrogen Carbonate

b) Disodium Hydrogen Carbonate

c) Sodium Hydrogen Carbonate

d) Sodium Carbonate

Question : 2

Which of the following is a weak base ?

a) KOH

b) NH₄OH

c) NaOH

d) none of these

Question : 3

Common salt besides being used in the kitchen can also be used as the raw material for making

1. Washing soda
2. Bleaching powder
3. Baking soda
4. Slaked lime

a) (i), (ii) and (iv)

b) (i) and (iii)

c) (i) and (ii)

d) (i), (iii) and (iv)

Question : 4

Acid rain is caused due to _____________ .

a) CO₂ , NO₂ , H₂

b) SO₂ N₂ , O₂

c) CO₂ , O₂ , SO₂

d) CO₂ , SO₂ , NO₂

Question : 5

Washing soda has the formula –

a) Na₂CO₃ .10H₂O

b) Na₂CO₃ .H₂O

c) Na₂CO₃ .7H₂O

d) Na₂

Question : 6

Which of the following statement is true?

a) Bases are sour in taste

b) The reaction between acid and a base is exothermic reaction

c) Acids are bitter in taste

d) The reaction between an acid and a base is endothermic reaction.