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Question : 9
Total: 36
(a) Name any one metal each which can be extracted by :
(i) reduction with carbon
(ii) electrolytic reduction
(iii) reduction with aluminium
(iv) reduction with heat alone
(b) Write a chemical equation for any of the above four parts.
(i) reduction with carbon
(ii) electrolytic reduction
(iii) reduction with aluminium
(iv) reduction with heat alone
(b) Write a chemical equation for any of the above four parts.
Solution:
(a) (i) Zinc
(ii) Aluminium
(iii) Magnesium
(iv) Mercury
(b) (i)ZnO + C → Zn + CO
(ii)3 MgO + 2 Al → 3 Mg + Al 2 O 3
(ii) Aluminium
(iii) Magnesium
(iv) Mercury
(b) (i)
(ii)
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