Q37.The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is (1) liquation. (2) vapour phase refining. (3) zone refining. (4) distillation.
What This Question Tests
This question directly tests the knowledge of different metal refining methods, specifically identifying liquation as the method used when the metal has a lower melting point than its impurities.
Concepts Tested
📚 NCERT Sections This Tests
4.13 — How Is The Variability In Oxidation States Of Transition Metals Different From
Chemistry Class 11 · Chapter 4
4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.
5.27 — Discuss Briefly Giving An Example In Each Case The Role Of Coordination
Chemistry Class 11 · Chapter 5
5.27 Discuss briefly giving an example in each case the role of coordination compounds in: (i) biological systems (iii) analytical chemistry (ii) medicinal chemistry and (iv) extraction/metallurgy of metals.
2.1 — Arrange The Following Metals In The Order In Which They Displace Each Other
Chemistry Class 11 · Chapter 2
2.1 Arrange the following metals in the order in which they displace each other from the solution of their salts. Al, Cu, Fe, Mg and Zn.
📋 Question Details
- Chapter
- Metallurgy
- Topic
- Refining of metals
- Year
- 2020
- Shift
- 07 Jan Shift 2
- Q Number
- Q37
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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