A white solid reacts with dil. \( \mathrm{HCl} \) to give colourless gas that decolourises aqueo...

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A white solid reacts with dil. \( \mathrm{HCl} \) to give colourless gas that decolourises aqueous bromine. The solid is most likely to be:
(A) sodium carbonate
(B) sodium chloride
(C) sodium acetate
(D) sodium thiosulphate
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