D-And F-Block Elements Ques 62
Question: Which metal oxide is used to make blue glass
Options:
A) $ Fe_2O_3 $
B) $ CoO $
C) $ Cu_2O $
D) $ NiO $
Show Answer
Answer:
Correct Answer: B
Solution:
$ CoO,\to ,C{{o}^{+2}} $ is blue colour.
A) $ Fe_2O_3 $
B) $ CoO $
C) $ Cu_2O $
D) $ NiO $
Correct Answer: B
$ CoO,\to ,C{{o}^{+2}} $ is blue colour.
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