Balance the equations:
1. N2 + H2 give the products as NH3
2. N2 + O2 give the products as NO2
3. Cu + O2 give the products as Cu2O
4. Zn + HCl give the products as ZnCl2 + H2

Answer :

1. N2+3H2=2NH3.
2. N2+2O2=2NO2.
3. 4Cu+O2=2Cu2O.
4. Zn+2HCl=ZnCl2+H2.

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Meww
N2+3H2 = 2NH3
N2+2O2 = 2NO2
4Cu+O2 = 2Cu2O
Zn+2HCl = ZnCl2+H2

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