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A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid over it. He observes:(A) no reaction in the test tube(B) colourless gas

with pungent smell(C) bubbles of a colourless and odourless gas(D) white fumes with smell of vinegar


I think option B will be the right answer as when this reaction arises then it will form
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