Q. The colour of blue glass is due to the presence of oxide of

A) Cr
B) Co
C) Au
D) Ag
Explanation

The correct answer is Option B: Co.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.