1.

Dilute hydrochloric acid reacts with marble chips to produce a gas X. When gas X is passed through limewater, a white precipitate Y is formed. Identify X and Y.[1 mark]

Answer»

Dilute hydrochloric acid reacts with marble chips to produce a gas X. When gas X is passed through limewater, a white precipitate Y is formed. Identify X and Y.



[1 mark]



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