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Metallurgy

220 questions in 6 topics. 44 NEET level, 88 JEE Main, 88 JEE Advanced. Every question was written for this chapter and solved independently a second time before publication.

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Ores and concentration methods 27

Hydrometallurgy and leaching 28

In Baeyer's process the powdered bauxite is leached with
When argentite ore is leached with dilute aqueous sodium cyanide in the presence of air, silver passes into so...
The metal obtained from the cyanide leach solution of silver or gold is precipitated by adding
In the electrolytic reduction of alumina, cryolite is added mainly to
The reaction at the cathode in the Hall-Heroult cell is
In Baeyer's process the insoluble red residue left after leaching bauxite with hot concentrated NaOH consists ...
Assertion (A): Baeyer's process is unsuitable for bauxite that contains a large amount of silica. Reason (R): ...
In Serpeck's process bauxite is heated with coke in a stream of nitrogen to give AlN. Treating AlN with water ...
All 28 questions on this topic

Metallurgy

Ores and concentration methods 27

Hydrometallurgy and leaching 28

Roasting, calcination and reduction 55

Extraction of Fe, Cu, Zn, Al, Ag, Au 55

Refining methods: zone refining, van Arkel, Mond process, electrolytic refining 27

Ellingham diagrams and thermodynamics of reduction 28