Post Utme Uniport 2021 Chemistry Question 7
Practice objective / multiple choice question 7 from the 2021 Post Utme Uniport Chemistry examination.
A sample of $CaCO_3$ is heated in a crucible until it decomposes completely. The mass of the crucible and its contents before heating is 50.0 g, and the mass after heating is 45.0 g. What is the mass of $CO_2$ produced during the decomposition?
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About This Question
This is Post Utme Uniport 2021 Chemistry Question 7. It is one of the objective questions from the 2021 Post Utme Uniport Chemistry examination.
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