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Question


The technique in which the material is heated in a sloping hearth until one of the metals starts to melt and drain away from the other is known as __

A
Liquation
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B
Froth flotation
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C
Gravity Separation
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D
Magnetic Separation
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Solution

The correct option is A Liquation
Liquation is a method for separating metals from an ore or alloy. The material is placed in a sloping hearth and heated. Eventually, a temperature is reached until one of the metals starts to melt and drain away from the other and can be collected.

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