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Building Materials

Q1: The silica is used for preparing

A silica bricks

B coke oven

C lining for glass furnaces

D all of these. <

ANS:D - all of these. <

Silica is a refractory brick which means it can take the high temperature. Coke oven and aligning of furnace require a brick which has high resistance against temperature.

So the answer is D.



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