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Balance the following chemical equations.
(a) HNO _{3}+ Ca ( OH )_{2} \rightarrow Ca \left( NO _{3}\right)_{2}+ H _{2} O (b) NaOH + H _{2} SO _{4} \rightarrow Na _{2} SO _{4}+ H _{2} O (c) NaCl + AgNO _{3} \rightarrow AgCl + NaNO _{3} (d) BaCl _{2}+ H _{2} SO _{4} \rightarrow BaSO _{4}+ HCl
CBSE | Chemical Reactions and Equations | Chemistry | Class 10 | NCERT
Balance the following chemical equations.
(a) HNO _{3}+ Ca ( OH )_{2} \rightarrow Ca \left( NO _{3}\right)_{2}+ H _{2} O (b) NaOH + H _{2} SO _{4} \rightarrow Na _{2} SO _{4}+ H _{2} O (c) NaCl + AgNO _{3} \rightarrow AgCl + NaNO _{3} (d) BaCl _{2}+ H _{2} SO _{4} \rightarrow BaSO _{4}+ HCl

Answer:

When solving an equation for a chemical reaction, a balanced equation is one where the number of atoms for each element in the reaction, as well as the total charge, for both the reactants and products is the same.

(a) 2HNO3 + Ca(OH)2 → Ca(NO3)2 + 2H2O

(b) 2NaOH + H2SO4 → Na2SO4 + 2H2O

(c) NaCl + AgNO3 → AgCl + NaNO3

(d) BaCl2 + H2SO4 → BaSO4 + 2HCl

i

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