Question

complete the following equations
i)Mg+HCI ---->______+H2
ii)NaO+H2SO4---->____+H2O
iii)PbNO3---->_____+NO2+O2
iv)ZnS+O2---->Zno+______
v)KHCO3---->K2CO3+H20+___​

Answer 1

Answer:

1. Mg+2HCl -> MgCl2+H2

2. 2NaO+H2SO4 -> Na2SO4+ H2O2

3. 2Pb(NO3)2 -> 2PbO + 4NO2 + O2

4. 2ZnS + 3O2 -> 2SO2 + 2ZnO

5. 2KHCO3 -> K2CO3+ CO2+ H2O