Essential Chemistry for IGCSE - Metals And Reactivity (Section 4 - No. 39)

Which of the following reactions produces a metal and oxygen?

Carbon + Copper Oxide

Metal + Hydrochloric Acid

Metal Carbonate heated

Alloy + Air

Explanation

Heating a metal carbonate, like calcium carbonate, produces a metal oxide and carbon dioxide. The other options do not produce a metal and oxygen in the correct proportions or form.

Essential Chemistry for IGCSE - Metals And Reactivity (Section 4 - No. 39)

Explanation

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