Q119
Deep blue colour is imparted to glass by the presence of
A.
Cupric oxide
B.
Nickel oxide
C.
Cobalt oxide
AnswerD.
Iron oxide
Answer: Option C
Solution
Answer: Option C
Solution:
Cobalt is a very intense glass colorant and very little is required to show a noticeable amount of colour. Colour of Cobalt glass is blue.