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प्रश्न
One of the following is not an organic acid. This is:
(a) ethanoic acid
(b) formic acid
(c) citric acid
(d) carbonic acid
उत्तर
carbonic acid
Carbonic acid H2CO3 is formed when CO2 is dissolved in water. Hence, carbonic acid is an inorganic or mineral acid. Ethanoic acid, formic acid and citric acid are found naturally.
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