ChemistryClass 10ICSE
Q
Balance the following equations: (i) Na + O2 → Na2O (ii) H2O2→ H2O + O2 (iii) Mg(OH)2 + HCl → MgCl2 +H2O (iv) Fe +O2 → Fe2O3 (v) Al(OH)3 → Al2O3 +H2O (vi) NH3 + CuO → Cu +N2 +H2O (vii) Al2(SO4)3 + NaOH → Al(OH)3 + Na2SO4 (viii) HNO3 +Ca(OH)2 → Ca(NO3)2 (ix) NaOH +H2SO4 → Na2SO4 +H2O (x) BaCl2 + H2SO4 → BaSO4 +HCl
A
- 4Na + O2 → 2Na2O
- 2H2O2 → 2H2O + O2
- Mg(OH)2 + 2HCl → MgCl2 + 2H2
- 4Fe + 3O2 → 2Fe2O3
- 2Al(OH)3 → Al2O3 + 3H2O
- 2NH3 + 3CuO → 3Cu + N2 + 3H2O
- Al2(SO4)3 + 6NaOH → 2Al(OH)3 + 3Na2SO4
- 2HNO3 + Ca(OH)2→ Ca(NO3)2 + 2H2O
- 2NaOH + H2SO4 → Na2SO4 + 2H2O
- BaCl2 + H2SO4 → BaSO4 + 2HCl