Q. Which of the following is correct?

A) Tin stone is magnetic in nature
B) Wolframite is non-magnetic in nature
C) Wolframeite is $FeWO_{4}$
D) Cassiterite and rutile are sulphides ore
Explanation

(c)
Wolframite is ferrous tungstate $(FeWO_{4})$ which is magnetic in nature

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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