ChemistryRates of chemical reactionJAMB
When dilute hydrochloric acid reacts with marble chips, the gas collected to follow the rate is
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Answer: D. carbon(IV) oxide
CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.