Relevant Competitive Tests:
Pick out the wrong statement?
A. Sand & coke is the main raw material for the manufacture of silicon carbide
B. Carbon refractories cannot be used in the furnaces operating under reducing conditionsCorrect Answer
C. Mullite can be obtained by the heating of alusite, kyanite or sillimanite
D. Silica occurs in nature in all cellular, amorphous or crystalline form
Correct Option: B. Carbon refractories cannot be used in the furnaces operating under reducing conditions
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