Question

write the balanced chemical equation.
silver chloride decomposes in presence of sunlight to give silver and chlorine gas.

Answer 1

a)Silver chloride is decomposed in presence of sunlight to give
silver and chlorine gas.
              sunlight
2AgCl(s) -------------> 2Ag (s)+Cl2(g)


b)Calcium oxide reacts with water to give lime water.
CaO (s) +H2O (l) ---> Ca(OH)2 + Q

c)Sodium hydroxide reacts with hydrochloric acid to give
sodium chloride and water.

NaOH(s) + HCl(aq) ----> NaCl(aq) +H2O(l)

d)Dil. hydrochloric acid is added to copper oxide to give green
coloured copper chloride and water.
CuO + 2HCl (dil.) → CuCl2 + H2 O

e)Solution of barium chloride and sodium sulphate in water
reacts to give insoluble barium sulphate and solution of sodium
chloride.
BaCl2(aq) + Na2SO4 -------> BaSO4↓+2NaCl(aq)