JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

How many of the following metals are the best refined by liquation method?

Copper, bismuth, silver, lead, gold, zinc, mercury

Answer: 3

Solution

Liquation suits low-melting metals: bismuth, lead and mercury are all low-melting and are purified this way, giving 3. Copper, silver and gold have much higher melting

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Question ID VK-145585