Class 12th General Principles & Processes of Isolating Elemen Chemistry Ncert Solutions Chemistry Class 12th

Match List – I with List – II:
| List - I | List - II |
| (a) Concentration of Ag ore | (i) Reverberatory furnace |
| (b) Blast furnace | (ii) Pig iron |
| (c) Blister copper | (iii) Leaching with dilute NaCN solution |
| (d) Froth floatation method | (iv) Sulfide ores |
Choose the correct answer from the options given below:

Option 1 - <p>(a)–(iii), (b)–(ii), (c)–(i), (d)–(iv)</p>

Option 2 - <p>(a)–(iii), (b)–(iv), (c)–(i), (d)–(ii)</p>

Option 3 - <p>(a)–(iv), (b)–(i), (c)–(iii), (d)–(ii)<br><br></p>

Option 4 - <p>(a)–(iv), (b)–(iii), (c)–(ii), (d)–(i)</p>

3 Views|Posted 7 months ago

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Alok Kumar Singh | Contributor-Level 10

7 months ago

Correct Option - 1

Detailed Solution:

(A) Concentration of Ag & Au done by NaCN. It is known as Mac Arthur Process (cyanide process)
(B) Blast furnace produces pig Fe.
(C) Blister Cu → Reverberatory furnace. In this furnace smelting & roasting of ore take place
CuFeS? + O? → Cu? O + FeO
(D) Froth floatation process is used for concentra

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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