Question

Write down the balanced chemical equation for the following :
(a) Silver chloride is decomposed in presence of sunlight to give
silver and chlorine gas.
(b) Calcium oxide reacts with water to give lime water.
(c) Sodium hydroxide reacts with hydrochloric acid to give
sodium chloride and water.
(d) Die hydrochloric acid is added to copper oxide to give green
coloured copper chloride and water.
(e) Solution of barium chloride and sodium sulphate in water
reacts to give insoluble barium sulphate and solution of sodium
chloride. Write the steps also.

Answer 1

(Sorry. I couldn't use subscript so I used superscript instead. Please adjust.)

1.  2AgCl ==Sunlight==> 2Ag + Cl²

2. CaO + H²O ==> Ca(OH)²

3. NaOH + HCl ==> NaCl + H²O

4. 2HCl + CuO ==> CuCl² + H²O

5. BaCl² + Na²SO⁴ ==> BaSO⁴ + 2NaCl

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