Q. Purple of cassius is
A) Colloidal solution of Au
B) Colloidal solution of Pt
C) Colloidal solution of Ag
D) Colloidal solution of As
Explanation
(a)
Colloidal solution of gold is called purple of cassius
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.