Liquation

Q.

Which process is used to purify blister copper during the extraction of pure copper from chalcopyrite?

1. Smelting

2. Bessemerisation

3. Roasting

4. Electrolytic refining

Q. Metals with low melting points can be refined by the process of.

1. distillation
2. liquation
3. froth flotation

Q. Lead is refined by the process of electrolytic refining.

1. True
2. False

Q.

To extract silver from copper by liquation, the ore is to be heated with ___.

1. iron

2. lead

3. tin

4. platinum

Q. Which of the following metals are refined by liquation refining process?

1. Lead
2. Iron
3. Tin
4. Zinc

Q. is a volatile metal, refined by the process of .

1. Mercury
2. Gold
3. distillation
4. liquation

Q.
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 __

1. Liquation
2. Froth flotation
3. Gravity Separation
4. Magnetic Separation

Q. Which of the following metals are refined by liquation refining process?

1. Lead
2. Iron
3. Tin
4. Zinc

Q. is a volatile metal, refined by the process of .

1. Mercury
2. Gold
3. distillation
4. liquation