Q. Alums are used for
A) Tanning of leather
B) Coagulation of blood
C) Purification of water
D) All of these
Explanation
(d)
Potash alum is used for tanning of leather, as mordant in dyeing and calico printing, for sizing paper, as a styptic to stop bleeding and purification of water.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.