General Principles and Processes of Isolation of Elements
What name is given to carbon reduction process for extracting the metal?
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Explain magnetic separation process of ores with the help of a neat, labelled diagram.
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
Sequence the following steps involved generally in the extraction of a metal in pure form from its ore.(a) The metal obtained from its oxide require further purification for end use.(b) The ore should be converted to its oxide form.(c) The ore is beneficial to us if it is handpicked then metal crushed and ground, and later subjected to pulverization as per the requirement(d) The ore in the form of oxide is required to be reduced.(e) Dressed ore is required for it to be concentrated.
Which one of the following oxides is reduced by water gas to obtain the metal during its extraction?
What is concentration of ore?
Why should the metal sulphides and carbonates be converted to metal oxides in the process of extraction of metal from them?
Describe the extraction of Mercury metal from its ore Cinnabar (HgS).
How zinc is extracted from its ore?