When the stopper of a bottle containing colourless liquid was removed, – McqOptions

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1.	When the stopper of a bottle containing colourless liquid was removed, the bottle gave smell like that of vinegar. The liquid in the bottle could be
A.	hydrochloric acid
B.	sodium hydroxide solution
C.	acetic acid solution
D.	saturated sodium hydrogen carbonate solution
Answer» D. saturated sodium hydrogen carbonate solution

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