Ferric chloride is formed by the reaction of iron and chlorine gas.
c) Aluminium sulphate reacts with sodium hydroxide to give aluminium hydroxide as
precipitate in the sodium sulphate solution
d Lead nitrate is heated to give lead oxide, nitrogen dioxide and oxygen gas.
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Answer:
Al2(SO4)3+NaOH=Na2SO4+Al(OH)3
Pb(NO3)2+O2=PbO+NO2
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