Q. Which of the following is also known as “Fools gold”?
A) Wurtzite
B) Iron pyrites
C) Chalcocite
D) Silver glance
Explanation
(b)
Siderite —${FeCO}_{3}$, calcite (or limestone) — ${CaCO}_{3}$, silver glance(or argentite) —${Ag}_{2}S$, fool’s gold (or iron pyrites) —${FeS}_{2}$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.