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Question

SiO2+3C2CO+ ________

A
Si
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B
SiC
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C
SiO
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D
C
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Solution

The correct option is B SiC
Pure graphite is prepared artificially by heating powered coke mixed with a little sand and iron(III) oxide in an electric furnace to a temperature about 3000C. So the complete equation is:
SiO2+3C2CO+SiC
SiCSi+C (graphite)

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