Question

18. In Monika's house the water was very dirty
and muddy. Her father added a substance into it
and water become clean (fit for dirking). What
substance was added by her father?
a) Potash Alum
b) Sugar
c) Salt
d) Vinegar​

Answer 1

answer : potash alum

Explanation:

Alum causes the impurities to stick to it and settle down

The impurities stick to alum because of which they become heavier and settle down.

Answer 2

Answer:

potash alum

form answer