Question

Identify the type of reaction and write a balanced chemical equation for the following reactions:
a. Zinc carbonate when heated gives zinc oxide and carbon dioxide
b. Methane + oxygen à carbondioxide + water + heat
c. Copper + oxygen à copper oxide
d. On passing electricity through molten aluminium oxide, it forms aluminium and oxygen gas.

Answer 1

Answer:

copper + oxygen a copper oxide

Answer 2

Answer:

copper+oxygen A copper dioxide