Question

Write the balanced chemical equation for the following.
(a) Silica is heated with coke.
(b) Silicon is heated with coke.

Answer 1

A) Silicon is obtained by reducing silica with coke.

$Si{O}_2+C\to Si+2CO$

B) when silicon is heated with coke in the furnace, silicon carbide is formed.

$Si+C\to SiC$