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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 Na₃AlF₆
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Chemistry
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Permanent hardness of water is due to the presence of
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
- The concentration of [H⁺] and [OH⁻] of a 0.1 M aqueous solution of 2% ionised
- Number of molecules in one litre of water is close to
- ΔH°f (298 K) of methanol is given by the chemical equation
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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