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Question
Metal carbonate decomposes on heating to evolve ______.
Options
carbon dioxide
nitrogen dioxide
oxygen
ammonia gas
MCQ
Fill in the Blanks
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Solution
Metal carbonate decomposes on heating to evolve carbon dioxide.
Explanation:
Heating a metal carbonate (like CaCO3) causes it to undergo thermal decomposition, breaking down into a basic metal oxide and releasing carbon dioxide gas (CO2).
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Chapter 3: Acids, Bases and Salts - Intext Question [Page 59]
