A) to remove arsenic impurity
B) to detect colloidal impurity
C) to remove moisture
D) to remove dust particles
Correct Answer: A
Solution :
The function of \[Fe{{(OH)}_{3}}\] in the contact process is to remove arsenic impurity. \[Fe{{(OH)}_{3}}\] is a positive sol, hence it removes arsenic impurity which is a negative sol.
You need to login to perform this action.
You will be redirected in
3 sec
