Aluminium is obtained by

Aluminium is obtained by

Options

(a) reducing Al₂O₃ with coke (b) electrolysing Al₂O₃ dissolved in Na₃AlF₆ (c) reducing Al₂O₃ with chromium (d) heating Al₂O₃ and cryolite

Correct Answer:

electrolysing Al₂O₃ dissolved in […]

Galena is an ore of

Galena is an ore of

Options

(a) Pb (b) Sn (c) Hg (d) Zn

Correct Answer:

Pb

Explanation:

No explanation available. Be the first to write the explanation for this question by […]

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