Metallurgy: JEE Main Chemistry Previous Year Questions

225 previous year questions from Metallurgy. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $Statement I: During Electrolytic refining, the pure metal is made to act as anode and its impure metallic form is used as cathode. Statement II: During the Hall-Heroult e\dots$
2. $\dots$
3. $The process of zone refining is used in the purification of$
4. $The metal which is refined by Mond process is (X), by van Arkel process is (Y) and by zone refining is (Z) .\dots$
5. $Aluminium is extracted by the electrolysis of$
6. $The major component of which of the following ore is sulphide based mineral?$
7. $The correct statements regarding froth floatation method in metallurgy are I. Used for the purification of sulphide ores II. Used for the roasting of sulphide ores III. I\dots$
8. $Which one of the following ores does not contain iron"$
9. $The ore which is purified by Leaching process is$
10. $Which one of the following ores is best concentrated by froth floatation method ?$
11. $When limestone is heated, CO_{2} is given off. The metallurgical operation is$
12. $The ore that contains both iron and copper is:$
13. $Given below are two statements : Statement I: Sphalerite is a sulphide ore of zinc and copper glance is a sulphide ore of copper. Statement II: It is possible to separate\dots$
14. $The processes of calcination and roasting in metallurgical industries, respectively, can lead to$
15. $The chemical that is added to reduce themelting point of the reaction mixture during the extraction of aluminiumis :$
16. $The pair that does NOT require calcination is:$
17. $In isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved ?$
18. $The common impurity present in bauxite is$
19. $Extraction of metal from the ore cassiterite involves$
20. $Match List-I with List-II (matching question)$
21. $Which of the following elements is present as the impurity to the maximum extent in the pig iron ?$
22. $Match List-I with List-II (matching question)$
23. $Kernite and cryolite are the minerals of two elements X and Z . Respectively X and Z are$
24. $Identify A and B respectively in the following reactions:\dots$
25. $Match List-I with List-II (matching question)$

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Metallurgy: JEE Main Chemistry Previous Year Questions

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