The waste, or slag, that comes out at the bottom of a blast furnace for making iron from its ore, is no thrown away. It is used for making?

Dental powder

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Roads

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Plastics

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Glass moulds

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Solution

The correct option is B Roads
Solution:- (B) Roads
Slag is valuable raw material for preparation of macadam materials and mineral blinders serving as a base for asphalt concrete mixture and manufacturing of cement emulsions, which are widely used in road paving.

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