EASY
JEE Main
IMPORTANT
Earn 100
In metallurgy the term "gangue" is used for
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Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)
EASY
JEE Main
IMPORTANT
In liquation process used for tin , the metal
EASY
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 |
MEDIUM
JEE Main
IMPORTANT
The metal which is extracted by oxidation and subsequent reduction from its ore is :
MEDIUM
JEE Main
IMPORTANT
Which one of the following reactions does not occur during extraction of copper ?
EASY
JEE Main
IMPORTANT
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:-
EASY
JEE Main
IMPORTANT
The reaction representing the Mond process for metal refining is ______
EASY
JEE Main
IMPORTANT
The major component of which of the following ore is sulphide based mineral?
EASY
JEE Main
IMPORTANT
In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:
