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MCQ
How many moles of CO2 from 1 mole of CaCO3 when heated?
Chemistry
A 0.5 mole
B 1 mole
C 2 moles
D 1.5 moles
Explanation

CaCO3 to CaO + CO2 is a 1:1 reaction, so 1 mole produces 1 mole of CO2.

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