UPSC CAPF AC 2024 Paper

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Question : 120 of 125

Marks: +1, -0

Which among the following are the main ingredients for manufacturing of glass?

Silica, sodium carbonate, borax, alumina and cullets
Iron oxide, lead, sodium bicarbonate, alumina and cullets
Magnesium carbonate, alumina, silica and cullets
Iron oxide, sodium, alumina, silica and cullets.

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