Advertisements
Advertisements
प्रश्न
Explain the following term:
Gangue
Advertisements
उत्तर
Ores are composed of metal compounds and impurities such as soil, sand, and stony material. These contaminants are known as gangue.
संबंधित प्रश्न
Give the importance of the following for living beings:
Nitrogen
Give the importance of the following for living beings:
Carbon
Name:
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen
What do you observe when hydrogen is passed over heated copper oxide?
Name the methods used for purification?
With a labelled diagram, explain the electro-refining of a particular metal.
`ZnCO_3`
..............................
`2Cu_2O +Cu_2S`
......................
`HgS + O_2`
..................
Why is flux used in the blast furnace?
Name a metal which forms a liquid alloy at ordinary temperature.
Explain the term of Metallurgy .
Name the following:
Name an allotrope of a non-metal that allows electricity to pass through it.
Draw a neat and labelled diagram for Froth Floatation Process.
Observe the figure and name and explain in brief the following method:
Bassemerisation is used in the extraction of ______.
Name the process that is employed to refine aluminium.
