Two reactants in a flask at room temperature are producing bubbles of a gas that turn limewater milk...........

General Science (CDS) Chemistry

Two reactants in a flask at room temperature are producing bubbles of a gas that turn limewater milky. The reactants could be

zinc and hydrochloric acid

magnesium carbonate and hydrochloric acid

methane and oxygen

copper and dilute hydrochloric acid

The reaction involved in the question is: MgCO3 + HCl = MgCl2 + H2O+ CO2 Since CO2 is produced in the reaction, it turns lime water milky.

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