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Blue colour is imparted to glass by the addition of__________________?

A. FeSO4

B. PbO

C. CaO

D. NaOH

Related Questions on Chemical Process Mcqs

Shaving soaps are____________________?

A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property

B. Metallic soaps compounded with frothing agents

C. High free alkali soaps having excess of cane sugar and alcohol

D. None of these