SATHEE: Purification And Characterisation Of Organic Compounds Question 24

Purification And Characterisation Of Organic Compounds Question 24

Question: The reaction $ 2ZnS+3O_2\to 2ZnO+2SO_2 $ in the metallurgical process of zinc is called

[MP PET 1994]

Options:

A) Calcination

B) Cupellation

C) Smelting

D) Roasting

Show Answer

Answer:

Correct Answer: D

Solution:

Roasting (Sulphide ore is heated in excess of air)

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Purification And Characterisation Of Organic Compounds Question 24

Question: The reaction $ 2ZnS+3O_2\to 2ZnO+2SO_2 $ in the metallurgical process of zinc is called

Options:

Answer:

Solution:

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