Q. Which of the following is used in making printer’s ink, shoe polish, black varnish and paint?
A) Lamp black
B) Bone black
C) Carbon black
D) None of these
Explanation
(a)
Lamp black is used for all these purposes. Carbon black is used in making tyres. Bone black is used for decolourisation of sugar.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.