Q. Percentage of gold in Fool’s gold is

A) Zero
B) 8
C) 16
D) 30
Explanation

(a)
Fool’s gold is $CuFeS_{2}$ which does not contain Au at all

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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