Q. In laboratory silicon can be prepared by the reaction

A) Silica with magnesium
B) By heating carbon in electric furnace
C) By heating potassium fluosilicate with potassium
D) None of the above
Explanation

(a)
$SiO_{2} + 2Mg\ \longrightarrow Si + 2MgO\$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.