Hydrogen And Its Compounds Question 63
Question: Which of the following will cause softening of hard water
Options:
A) Passing it through cation exchange resin
B) Passing it through anion exchange resin
C) Passing it through sand
D) Passing it through alumina
Show Answer
Answer:
Correct Answer: A
Solution:
In cation exchange resin $ M{g^{+2}} $ and $ C{a^{+2}} $ (cations) are replaced by $ N{a^{+}} $ ions.
BETA
