Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of following statements are true about the gas evolved?
(i)It turns lime water milky.
(ii) it extinguishes burning splinter
(iii) It dissolves in a solution of sodium hydroxide.
(iv) It has a pungent odour.
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[B] (i), (ii), and (iii)
When Sodium hydrogen carbonate is added to citric acid then an odourless Carbon dioxide gas is evolved. Carbon dioxide turns lime water milky. It is non supporter of combustion and is absorbed by strong alkalis like NaOH.