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प्रश्न
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
पर्याय
a hissing sound was produced
brown fumes evolved
brisk effervescence occurred
a pungent smelling gas evolved
MCQ
रिकाम्या जागा भरा
उत्तर
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that brisk effervescence occurred.
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