Q. Identity the ore not containing iron.
A) Limonite
B) Siderite
C) Carnallite
D) Chalcopyrites
Explanation
(c)
$Limonite\ \ \ \ \ \ \ \ \ \ \ \ \ \ {Fe}_{2}O_{3}.3H_{2}O$
$Siderite\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ {FeCO}_{3}$
$Carnallite\ \ \ \ \ \ \ \ \ \ \ \ \ KCl.{MgCl}_{2}.6H_{2}O$
$Chalcopyrites\ \ \ \ \ \ \ {CuFeS}_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.