(e) Give reasons why:(i) Hot water has no action on aluminium.(ii) Con – InterviewSolution

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1.	(e) Give reasons why:(i) Hot water has no action on aluminium.(ii) Concentrated nitric acid makes iron passive.(iii) Cryolite and fluorspar are added to alumina, in the metallurgy of aluminium.(iv) Metals are good reducing agents.(v) Carbon tetrachloride does not dissolve in water.
Answer» (e) Give reasons why: (i) Hot water has no action on aluminium. (ii) Concentrated nitric acid makes iron passive. (iii) Cryolite and fluorspar are added to alumina, in the metallurgy of aluminium. (iv) Metals are good reducing agents. (v) Carbon tetrachloride does not dissolve in water.

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