Hydrogen And Its Compounds Question 45
Question: Temporary hardness of water can be removed by
[Pb. PMT 2001]
Options:
A) Addition of potassium permagenate
B) Boiling
C) Filtration
D) Addition of chlorine
Show Answer
Answer:
Correct Answer: B
Solution:
By boiling temporary hardness of water can be removed. $ Ca{{(HCO_3)}_2}\xrightarrow{Boil}\underset{\text{(insoluble)}}{\mathop{CaCO_3}}+H_2O+CO_2 $