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Question 10.Sodium hydrogen carbonate, when added to acetic acid, evolves a gas. Which of the following statements are true about the gas evolved?(i) It turns lime water milky(ii) It extinguishes a burning splinter(iii) It dissolves in a solution of sodium hydroxide(iv) It has a pungent odour(a) (i) and (ii)(b) (i), (ii) and (iii)(c) (ii), (iii) and (iv)(d) (i) and (iv)

Answer»

Question 10.

Sodium hydrogen carbonate, when added to acetic acid, evolves a gas. Which of the following statements are true about the gas evolved?

(i) It turns lime water milky

(ii) It extinguishes a burning splinter

(iii) It dissolves in a solution of sodium hydroxide

(iv) It has a pungent odour



(a) (i) and (ii)

(b) (i), (ii) and (iii)

(c) (ii), (iii) and (iv)

(d) (i) and (iv)





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