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Question
Chemistry
Which of the following compounds is used for water softening?
Q. Which of the following compounds is used for water softening?
5373
225
Hydrogen
Report Error
A
C
a
3
(
P
O
4
)
2
24%
B
N
a
3
P
O
4
14%
C
N
a
6
P
6
O
18
48%
D
N
a
2
H
P
O
4
13%
Solution:
Sodium hexametaphosphate
(
N
a
6
P
6
O
18
)
, commercially called 'calgon’ is used for water softening.