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प्रश्न
Complete flow chart given below.
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उत्तर
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संबंधित प्रश्न
Give the importance of the following for living beings:
Hydrogen
Why are alkali metals kept in kerosene oil?
Explain the following term:
Gangue
`2Cu_2O +Cu_2S`
......................
Why is flux used in the blast furnace?
what does it form with silica present in the ore?
Distinguish between electrolytic methods of reduction and refining.
Which metal is used for:
lithographic plates for printing
Name the following:
Name an allotrope of a non-metal that allows electricity to pass through it.
The chemical formula of zinc blend is _______.
Match the columns.
| Group A | Group B |
| 1. ZnS | a) Copper Sulphide |
| 2. HgS | b) Bauxite |
| c) Cinnabar | |
| d) Zinc blend |
Explain concept with example/explain with the help of a balanced equation.
Minerals
Chemical formula of rust is ______
The chemical name of rust is ______.
State the reason for the addition of caustic alkali to bauxite ore during the purification of bauxite.
Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?
Bassemerisation is used in the extraction of ______.
Calcination is used in metallurgy for the removal of?
Name the process that is employed to refine aluminium.
Identify false statement regarding lithium aluminium hydride?
