Question

41. Balance the following equation:
(i) MNO2 + HCl → MNCl2 + Cl2 + H2O
Na + O2 → Na2O
H2O2 → H2O + O2
(iv)
Mg(OH)2 + HCl → MgCl2 + H2O
Fe + 02 - Fe2O3
(vi)
Al(OH)3 → Al2O3 + H2O
(vii)
NH3 + CuO → Cu + N2 + H2O
(vii) Al2(SO4)3 + NaOH → Al(OH)3 + Na2SO4
(ix)
HNO3 + Ca(OH)2 -> Ca(NO3)2 + H2O
(x)
NaOH + H2SO4 -
Na2SO4 + H2O
BaCl2 + H2SO4 → BaSO4 + HCI
(xii)
Calcium hydroxide + Carbon dioxide - Calcium carbonate + Water
(xiii) Aluminium + Copper chloride → Aluminium chloride + Copper
(xiv) Calcium + Water - Calcium hydroxide + Hydrogen
(xv)
Sulphur dioxide + Oxygen Sulphur trioxide
(xvi)
MnO2 + HCl → MnCl2 + Cl2 + H2O
(xvii) Zn + HCl - ZnCl2​

Answer 1

answer:-

1. MNO2 + 4 HCL --- MNCl2 + Cl2 + 2 H2O
2. 4Na + O2 ---- 2Na2O
3. 2H2O2 --- 2H2O + O2
4. Mg(OH)2 + 2HCl ---- MgCl2 + 2H2O
5. 4Fe + 3O2 ---- 2Fe2O3
6. 2Al(OH)3 ---- Al2O3 + 3H20
7. 2NH3 + 3CUO ---- 3CU + N2 + 3H2O
8. Al2(SO4)3 + 6NaOH ---- 2Al(OH)3 + 3NaSO4
9. 2HNO3 + Ca(OH)2 ---- Ca(NO3) + 2H20
10. 2NaOH + H2SO4 ---- Na2SO3 + 2H2O
11. BaCl2 + H2SO4 ---- BaSO4 + 2HCl
12. Ca(OH)2 + CO2 ---- CaCO3 + H2O
13. 2Al + 3CUCl2 ----- 2AlCl3 + 3Cu
14. Ca + 2H20 ---- Ca(OH)2 + H2
15. 2SO2 + O2 ---- 2SO3
16. 2MnO2 + 8HCl ---- 2MnCl2 + 3Cl2 + H2O
17. Zn + 2HCl ---- ZnCl2 + H2