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प्रश्न
Explain the following term:
Metallurgy
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उत्तर
The process of extracting pure metals from their ores, followed by further purification using various processes. Metallurgy refers to the entire process.
संबंधित प्रश्न
brown powder deposit on iron?
A student has been collecting silver coins and copper coins. One day she observed a black
coating on silver coins and a green coating on copper coins. Which chemical phenomenon is
responsible for these coatings? Write the names of black and green coatings.
Define the term ‘metallurgy’. State the processes involved in metallurgy ?
Name the processes involved in refining of ores.
Explain the following terms:
(c) slag
`Cu (OH)2`
................................
`2NaNO_3`
......................
`2Pb(NO3)_2`
.........................
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Why is flux used in the blast furnace?
Which metal is used for:
making pipes, buckets, water tanks,
Which metal is used for:
lithographic plates for printing
Complete the following flowchart.
Observe the figure and name and explain in brief the following method:
The chemical name of rust is ______.
Explain the smelting process.
Which of following metals occurs in native state?
In leaching of alumina from bauxite by Bayer's process, then ore is treated with ______.
After partial roasting, the sulphide of copper is reduced by ______.
Name the process that is employed to refine aluminium.
