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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:
Nitrogen
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 a more reactive metal.
Give the effect of heat on their: nitrates
Define the term ‘metallurgy’. State the processes involved in metallurgy ?
Explain the following terms:
(c) slag
`Ag2O`
................................
`2Pb(NO3)_2`
.........................
`2Cu_2O +Cu_2S`
......................
Distinguish between electrolytic methods of reduction and refining.
State two properties of brass that render it more useful for some purpose than its components.
Explain with reason:
Why is powdered coke sprinkled on top of the electrolyte?
A compound that is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.
Why does iron or zinc not occur free in nature?
Right or wrong sentence.
Cassiterite is a copper metal.
Write the molecular formulae of the following compound.
Ferrous tungstate
Explain concept with example/explain with the help of a balanced equation.
Minerals
Observe the figure and name and explain in brief the following method:
Zirconium is refined by ____________.
Limestone is used as a flux in the extraction of ______.
Name the process that is employed to refine aluminium.
