Question

Write the balanced equations of chemical reactions taking under the following circumstances:
a. Steam is passed over red hot silicon. b. Silicon is burnt in air

Answer 1

A) When the steam is passed over red hot silica:

$Si+2H_{2}O\stackrel{△}{\to }Si{O}_2+2H_2$

B) When silicon is burnt in air:

$Si+O_2\to Si{O}_2$