alleryStart learning →When a dilute acid reacts with a metal carbonate, the products are a salt, water and
Asulphur dioxide
Bcarbon monoxide
Ccarbon dioxide
Dnitrogen dioxide
Answer & Solution
Correct answer: C. carbon dioxide
1. Metal carbonate + acid gives salt + carbon dioxide + water.
2. For example Na2CO3 + 2HCl gives 2NaCl + H2O + CO2.
3. The gas released is carbon dioxide, seen as brisk effervescence.
_Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_
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