Advertisements
Advertisements
Question
Explain the term of Metallurgy .
Advertisements
Solution
. Metallurgy: The various processes involved in the extraction of metals from its ores and refining is called metallurgy.
The major steps involved for the extraction of a metal from its ore are:
(i) Concentration of ores (or enrichment of ore)
(ii) Conversion of concentrated ore into metal
(iii) Refining (purification) of impure metal
APPEARS IN
RELATED QUESTIONS
Give the importance of the following for living beings:
Carbon
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Give the effect of heat on their: hydroxide
Name the processes involved in refining of ores.
Name:
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen
Explain the following terms:
(c) slag
An ore on being heated in air forms sulphurous anhydride. Write the process used for the concentration of this ore.
`ZnCO_3`
..............................
`2AgNO_3`
...........................
Which metal is used for:
lithographic plates for printing
State two properties of brass that render it more useful for some purpose than its components.
Complete the following flow chart and answer the questions below:

i) In which method pine oil is used?
ii) Explain what method of concentration in brief.
What do you observe when hydrogen is passed over heated copper oxide?
In Wilfley table method to separate particles of gangue _______ method is used.
The chemical formula of zinc blend is _______.
Write the molecular formulae of the following compound.
Stannic oxide
Explain concept with example/explain with the help of a balanced equation.
Gangue
Explain the smelting process.
Limestone is used as a flux in the extraction of ______.
Name the process that is employed to refine aluminium.
Identify false statement regarding lithium aluminium hydride?
