20 grams of CaCO3 is heated, how much calcium oxide will produce? – McqOptions

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1.	20 grams of CaCO₃ is heated, how much calcium oxide will produce?
A.	5.6 grams
B.	11.2 grams
C.	22.4 grams
D.	44.8 grams
Answer» C. 22.4 grams

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