Q. Which of the following pairs of elements cannot form an alloy?
A) Zn, Cu
B) Fe, Hg
C) Fe, C
D) Hg, Na
Explanation
(b)
Alloy is a homogeneous mixture of two or more metals. Mercury forms amalgams (alloy) with gold, silver and tin. But it does not react with iron or platinum.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.