Question

balance chemical equation for 1.zinc carbonate is calcined 2. zinc sulphide is roasted 3.zinc oxide is reduced in the zinc 4. cinnabar is heated in the air 5. manganese oxide is heated with alluminum powder

Answer 1

Hello buddy......
Here is your answer......

1.ZnCO3 ------> ZnO + CO2.

2.2ZnS + 3O2 ---------2ZnO + 2SO2.

3.ZnO + C -------> Zn + CO.

4.Hg2S + 2O2 -------> 2HgO + SO2.

5.MnO2 + 4Al -------2Al2O3 + 3Mn.


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Answer 2

Answer:

1. ZnCO3---heat---> ZnO + CO2

2. 2ZnS + 3O2 ---heat---> 2ZnO + 2SO2

3. ZnO + C ----> Zn + CO

4. 2HgS + 3O2---heat---> 2HgO +2SO2

5. 3MnO2 + 4Al ----> 3Mn + 2Al2O3 + heat.

HOPE IT HELPED...