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Question
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
Options
a hissing sound was produced
brown fumes evolved
brisk effervescence occurred
a pungent smelling gas evolved
MCQ
Fill in the Blanks
Solution
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that brisk effervescence occurred.
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