Hydrogen And Its Compounds Question 70
Question: The alum used for purifying water is
[EAMCET 1999]
Options:
A) Ferric alum
B) Chrome alum
C) Potash alum
D) Ammonium alum
Show Answer
Answer:
Correct Answer: C
Solution:
$ K_2SO_4.Al_2{{(SO_4)}_3}.24H_2O $ Potash alum is generally used for purifying water.