General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 6)
6.
The metallurgical process in which a metal is obtained in a fused state is called
smelting
roasting
calcinations
froth floatation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
39 comments Page 4 of 4.

Siva Rama Krishna A said:   8 years ago
Calcination is heating to high temperatures in absence of air. Roasting is heating to high temperatures in the presence of air.
(2)

Mary said:   8 years ago
What is froth floatation?

Aditi said:   7 years ago
What is froth floatation?

Alalade Shirley said:   6 years ago
How to calculate the oxidation number?

Ruchi said:   6 years ago
Flux and coke is heated to fusion in smelting.

Raghu yadav said:   5 years ago
Froth floatation in simple used for mineral processing.
(1)

Festus said:   4 years ago
Please, can someone explain what is calcination and roasting?

Mangale Pooja Suresh said:   3 years ago
Calcination process takes place in the presence of oxygen and absence of air and roasting takes place in the presence of air and absence of oxygen.
(3)

Luciana said:   3 years ago
Why calcination process takes place in presence of oxygen? Please explain.


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