Blue colour is imparted to glass by the addition of Options: A . &nbspFeSO₄ B . &nbspPbO C . &nbspCaO D . &nbspNaOH

Blue colour is imparted to glass by the addition of

Question

Blue colour is imparted to glass by the addition of

Options:

A . FeSO₄

B . PbO

C . CaO

D . NaOH

Answer: Option C

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