Chemical Engineering - Chemical Process - Discussion

Discussion Forum : Chemical Process - Section 12 (Q.No. 48)
48.
__________ is an ore concentrating metallurgical process involving a chemical change.
Electromagnetic separation
Froth floatation
Roasting
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Sana said:   2 years ago
@All.

Here Both 1, 2 are physical or mechanical change/separation processes no chemical reaction is involved in it.

But in Rosting chemical reaction is involved.

Post your comments here:

Your comments will be displayed after verification.