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Calcination

Give reason:C...

Question

Give reason:
Carbon is not used for making aluminium from aluminium oxides.

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Solution

Carbon is used for carbon reduction method in case of condensation of ore , but here aluminium is not preferably good position in the electrochemical series . because of this condensing of aluminium from aluminium oxide is not done by using carbon.

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H N O_{3}

can be transported in aluminium container.
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(iii) Graphite is used as lubricant.
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(i) Zinc is used in galvanisation and dry cells.
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H N O_{3}

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