Pick out the wrong statement?

1987Chemical EngineeringMedium

AHard glass which is used for making laboratory glass wares is a mixture of sodium

BRed color is imparted to glass by addition of arsenic oxide

CGlass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or

DOrdinary glass is represented chemically by Na2O. CaO. 6SiO2

Correct answer

B. Red color is imparted to glass by addition of arsenic oxide

Explanation

The correct answer is Red color is imparted to glass by addition of arsenic oxide.

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