Q

The gas evolved when sodium carbonate reacts with hydrochloric acid is ________.

ALP CBT-1, 13-Aug-18 S-1 2018
✓ Answer: D Carbon dioxide
Carbon dioxide gas is evolved when sodium carbonate reacts with hydrochloric acid. Chemical equation: Na2CO3 + 2HCl → 2NaCl + CO2 + H2O.
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