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Question
Which of the following gas is evolved when concentrated H2SO4 reacts with metal carbonate?
Options
Sulphur dioxide
Carbon dioxide
Hydrogen sulphide
Hydrogen chloride
MCQ
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Solution
Carbon dioxide
Explanation:
Any metal carbonate reacts with an acid to undergo decomposition, releasing carbon dioxide (CO2) gas with brisk effervescence.
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Chapter 11: Study of Compounds: Sulphuric Acid - Intext Question [Page 218]
