Question

Which of the following is not a refining method of the crude metal? a.distillation b. Smelting c.poling d.euation

Answer 1

d) euation is not a method ...of refining methodof the crude metal

Answer 2

Welcome dear,

● Answer -
b) smelting

* Smelting involves chemical change which is not the case for refining of crude metals.

● Refining crude metals -
- Refining consists of purifying an impure metal.

# Methods of refining -
Various processes for refining metals include -
- Distillation
- Liquation
- Poling
- Electrolysis
- Zone refining
- Vapor Phase refining


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