Chemical Engineering - Chemical Process - Discussion

Discussion Forum : Chemical Process - Section 11 (Q.No. 50)
50.
Blue colour is imparted to glass by the addition of
FeSO4
PbO
CaO
NaOH
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Ananthu U said:   2 years ago
Cobalt(CoO) oxide is the right answer.
(1)

Pawan Kumar Sharma said:   2 years ago
Yes, the right answer is CaO.

Gautham.GS said:   8 years ago
The answer is none of the above because CaO is white.

The correct answer would be Cobalt oxide(CoO).
(1)

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