Distillation and Liquation
Trending Questions
Q.
Cupellation Process Is Used in the Metallurgy Of?
Copper
Iron
Aluminum
Silver
Q.
Blister copper contains
90
87
99
100
Q.
- Mercury
- Gold
- distillation
- liquation
Q. Which of the following metals is the most difficult to extract from its ore?
- Gold
- Aluminium
- Copper
- Sodium
Q. Which of the following metals are refined by liquation refining process?
- Lead
- Iron
- Tin
- Zinc
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 __
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
- Froth flotation
- Gravity Separation
- Magnetic Separation
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 __
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
- Froth flotation
- Gravity Separation
- Magnetic Separation
Q. Choose the correct pair for the metals and the processes undergone by them.
- Liquation
- Distillation
- Low M.P. metals
- Volatile metals
- Pure metals
- Electrorefining
Q. How much copper can be obtained from 100g of copper sulphate?
Q.
In the purification of metals, during distillation, metal is heated in a retort and its vapours are separately condensed in a receiver.
- True
- False
Q. Constantan is an industrial alloy consisting of 60% copper and 40% nickel. It is an example of a:
- catalyst
- solid solution
- solid-solid reaction
- chemical reaction
Q. Metals with low melting points can be refined by the process of
- froth flotation
- distillation
- 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
