Question

In laboratory, silicon can be prepared

• A. By heating carbon in electric furnace
• B. By heating potassium with potassium dichromate
• C. Silica with magnesium
• D. None of these

Answer 1

The correct option is C

Silica with magnesium

In a laboratory, silicon can be prepared by the reaction of Silica with magnesium.Silica is an oxide of silicon with the chemical formula $Si{O}_2$.