Chemistry
Correct the following statements and rewrite them :
(i) Sodium reacts with chlorine to form sodium chloride.
(ii) The electrolysis of lead bromide liberates lead and bromine.
(iii) Copper sulphate crystals are dehydrated by sulphuric acid.
(iv) Calcium nitrate reacts with sodium sulphate to form calcium sulphate.
(v) Metals of IA group are called alkaline earth metals.
Electrolysis
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Answer
(i) Sodium atom reacts with chlorine atom to form sodium chloride molecule.
(ii) The electrolysis of lead bromide liberates lead at cathode and bromine at anode.
(iii) Copper sulphate crystals are dehydrated by conc. sulphuric acid.
(iv) Calcium nitrate reacts with sodium hydroxide to form calcium hydroxide.
(v) Metals of II A group are called alkaline earth metals.
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