Q. The liquid field metal expanding on solidification is

A) Cu
B) $Ga$
C) Al
D) Zn
Explanation

(b)
$Liquified\ Ga\$expand on solidification , because it is less electropositive in nature and has the weak metallic bond

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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