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Question: Carborundum is obtained when silica is heated at high temperature with...

Carborundum is obtained when silica is heated at high temperature with

A

Carbon

B

Carbon monoxide

C

Carbon dioxide

D

Calcium carbonate

Answer

Carbon

Explanation

Solution

SiO2+2C→2000−2500∘CSi+2CO\mathrm { SiO } _ { 2 } + 2 \mathrm { C } \xrightarrow { 2000 - 2500 ^ { \circ } \mathrm { C } } \mathrm { Si } + 2 \mathrm { CO } Si+C⟶SiC\mathrm { Si } + \mathrm { C } \longrightarrow \mathrm { SiC }