Question -
Answer -
(a) Unbalanced: HNO3 + Ca(OH)2 →Ca(NO3)2 + H2O
Balanced 2HNO3 + Ca(OH)2 →Ca(NO3)2 + 2H2O
(b) Unbalanced: NaOH + H2SO4 → Na2SO4 +H2O
Balanced 2NaOH + H2SO4 →Na2SO4 + 2H2O
(c) Unbalanced: NaCl + AgNO3 → AgCl + NaNO3
BalancedNaCl + AgNO3 → AgCl + NaNO3
(d) Unbalanced: BaCl2 + H2SO4 →BaSO4 + HCl
BalancedBaCl2 + H2SO4 → BaSO4 +2HCl