Question

(e) Barium chloride reacts with zinc sulphate to give Zinc 11. Write the balanced chemical equations for the following reactions : (a) Calcium hydroxide + Carbon dioxide - Calcium carbonate + Water (6) Aluminium + Copper chloride - Aluminium chloride + Copper​

Answer 1

sodium carbonate

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Answer 2

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• The representation of a chemical reaction in the form of substances is known as a chemical equation. The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation.

Balanced chemical equation

Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water

Ca(OH)2 + CO2 → CaCO3 + H2O

Zinc + Silver nitrate → Zinc nitrate + Silver

Zn + 2AgNO3 → Zn(NO3)2 + 2Ag

Aluminium + Copper chloride → Aluminium chloride + Copper

2Al + 3CuCl2→ 2AlCl3+ 3Cu

Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride

BaCl2+ K2SO4 → BaSO4 + 2Kl

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