Question
Chemistry Question on General Principles and Processes of Isolation of Elements
Which of the following pairs of elements cannot form an alloy ?
A
Zn,Cu
B
Fe,Hg
C
Fe,C
D
Hg,Na
Answer
Fe,Hg
Explanation
Solution
Alloy is a homogeneous mixture of two on more metals. Mercury forms amalgams (alloy) with gold, silver and tin. But it does not react with iron or platinum.