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 __

Liquation

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Froth flotation

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Gravity Separation

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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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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 __

Thetechnique 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 __

Q. Name the metal that is purified by placing the impure metal on sloping hearth of a reverberatory furnace and heating that above its melting point in absence of air.

Q. In this method, a low melting metal like tin can be made to flow on a sloping surface. In this way it is separated from higher melting impurities. The method is known as:

State the principle for each of the following processes which are used in metallurgy in general.
(i) Roasting
(ii) Gravity separation
(iii) Froth flotation
(iv) Aluminothermy
(v) Calcination
(vi) Electromagnetic separation.

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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 __

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.

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.