Question

3. ​Reaction of copper with moist air
4. Reaction of sulphur with oxygen
5. Reaction of sulphur with water
6. Reaction of copper sulphate with zinc
Write the above reaction in the form of chemical equation​

Answer 1

Answer:

2cu+o2----2cuo

cuo+co2---cuco3

Explanation:

Copper metal when exposed to air turns green in colour due to corrosion. copper first reacts with oxygen to form copper oxide and then reacts with carbon dioxide to form copper carbonate

Answer 2

Answer:

3. Cu+CO2 + H2O + O2>CuCO3 +Cu(OH)2

4. S+ O2> SO

5.S + H2O > S(OH)2

6. CuSO4 + Fe >FeSO4 + Cu

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