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Write the balanced chemical equations for the following reactions.


  • (a) Calcium hydroxide + Carbon dioxide \(\rightarrow \) Calcium carbonate + Water
  • (b) Zinc + Silver nitrate \(\rightarrow \) Zinc nitrate + Silver
  • (c) Aluminium + Copper chloride \(\rightarrow \) Aluminium chloride + Copper
  • (d) Barium chloride + Potassium sulphate \(\rightarrow \) Barium sulphate + Potassium chloride


Answer :

(a)
Calcium Hydroxide: $$Ca(OH)_{2}$$
Carbon Dioxide: $$CO_{2}$$
Calcium Carbonate: $$CaCO_{3}$$
Water: $$H_{2}O$$
$$Ca(OH)_2 + CO_{3} \rightarrow CaCO_{3} + H_{2}O $$


SIMILARLY

$$(b) 2AL + 3Cu(Cl)_2 \rightarrow AlCl_{3} + 3Cu $$


$$ (c) \;\;\; Zn(s) + 2AgNO_{3}(s) $$

$$ \downarrow$$

$$ \;\;\; Zn(NO_{3})_{2} + 2Ag $$


$$ (d) BaCl_{2} + K_{2}SO_{4} \rightarrow BaSO_{4} + 2KCl $$

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