Question

7.
When sodium hydrogen carbonate is added to ethanoic acid a gas evolves.
Consider the following statements about the gas evolved?
(A) It turns lime water milky,
(B) It is evolved with a brisk effervescence,
(C) It has a smell of burning sulphur,
(D) It is also a by-product of respiration.
The correct statements are:
(a) (A) and (B) only
(b) (B) and (D) only
(c) (A). (C) and (D)
(d) (A), (B) and (D)
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Answer 1

Answer:

a and b only is the correct answer

Answer 2

Answer:

(A) and (B) only is

correct answer...