Chemical Engineering - Refractory Technology - Discussion

Discussion Forum : Refractory Technology - Section 5 (Q.No. 10)

Refractory Technology

10.

Pick out the wrong statement.

Sand & coke is the main raw material for the manufacture of silicon carbide.

Carbon refractories can not be used in the furnaces operating under reducing conditions.

Mullite can be obtained by the heating of alusite, kyanite or silimanite.

Silica occurs in nature in all cellular, amorphous or crystalline form.

Answer: Option

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