Blue colour is imparted to glass by the addition of (A) FeSO4 (B) PbO (C) CaO (D) NaOH

Blue colour is imparted to glass by the addition of
(A) FeSO4
(B) PbO
(C) CaO
(D) NaOH
by

1 Answer

Answer :

(C) CaO
by

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