Q42.The compound(s) that is(are) removed as slag during the extraction of copper is : (1) CaO (2) FeO (3) Al2O3 (4) ZnO (5) NiO Choose the correct answer from the options given below (1) 3, 4 only (2) 2 only (3) 1, 2, 5 Only (4) 1, 2 only
What This Question Tests
This question tests the knowledge of the specific chemical species that act as impurities and are removed as slag during the extraction of copper, specifically identifying FeO as the impurity that combines with SiO2 flux to form FeSiO3 slag.
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.
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.
5.14 — What Is The Coordination Entity Formed When Excess Of Aqueous Kcn Is
Chemistry Class 11 · Chapter 5
5.14 What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H2S(g) is passed through this solution?
📋 Question Details
- Chapter
- Metallurgy
- Topic
- Extraction of Copper
- Year
- 2022
- Shift
- 25 Jul Shift 1
- Q Number
- Q42
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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