Silica is heated with carbon in electric furnace to form :
silicon carbonate
silicon carbide or carborundum
silicon monoxide
none
A
silicon carbonate
B
silicon carbide or carborundum
C
silicon monoxide
D
none
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Solution
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When quartz or sand are heated with an excess of coke in an electric arc furnace at 2000−2500oC silicon carbide or carborundum is formed. SiO2+3C→SiC+2CO
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