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JEE Main
IMPORTANT
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In liquation process used for tin Sn, the metal

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Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)

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JEE Main
IMPORTANT

Match List I with List II.

List I List II
A. Reverberatory furnace I. Pig iron
B. Electrolytic cell II. Aluminium
C. Blast furnace III. Silicon
D. Zone refining furnace IV. Copper
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JEE Main
IMPORTANT
The metal which is extracted by oxidation and subsequent reduction from its ore is :
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JEE Main
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Given below are two statements:-

Statement I:- In froth floatation method a rotating paddle agitates the mixture to drive air out of it.

Statement II:- Iron pyrites are generally avoided for extraction of iron due to environmental reasons.

In the light of the above statements, choose the correct answer from the options given below:-

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JEE Main
IMPORTANT
In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:
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JEE Main
IMPORTANT

Given below are two statements:

Statement I: During Electrolytic refining, the pure metal is made to act as anode and its impure metallic form is used as cathode.
Statement II: During the Hall-Heroult electrolysis process, purified Al2O3 is mixed with Na3AlF6 to lower the melting point of the mixture.
In the light of the above statements, choose the most appropriate answer from the options given below: