Q52.Extraction of zinc from zinc blende is achieved by (1) roasting followed by self-reduction (2) electrolytic reduction (3) roasting followed by reduction with carbon (4) roasting followed by reduction with another metal
What This Question Tests
This question tests the knowledge of the specific metallurgical steps involved in the extraction of zinc from its sulfide ore, zinc blende.
Concepts Tested
📚 NCERT Sections This Tests
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.
2.2 — Given The Standard Electrode Potentials,
Chemistry Class 11 · Chapter 2
2.2 Given the standard electrode potentials, K+/K = –2.93V, Ag+/Ag = 0.80V, Hg2+/Hg = 0.79V Mg2+/Mg = –2.37 V, Cr3+/Cr = – 0.74V Arrange these metals in their increasing order of reducing power.
4.14 — Describe The Preparation Of Potassium Dichromate From Iron Chromite Ore.
Chemistry Class 11 · Chapter 4
4.14 Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
📋 Question Details
- Chapter
- Metallurgy
- Topic
- Extraction of zinc
- Year
- 2012
- Shift
- 19 May Online
- Q Number
- Q52
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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