Q. Roasted tin stone ore after washing with water is known as

A) Block tin
B) White tin
C) Black tin
D) Granulated tin
Explanation

(c)
Tin stone after roasting and washing is called black tin.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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