Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard IX
Chemistry
Hardness of Water:Causes, Types and Treatments
Question
1
kg of a sample of water contains
222
mg of
C
a
C
l
2
and
219
mg of
M
g
(
H
C
O
3
)
2
. Its permanent hardness and temporary hardness in ppm are respectively:
200
,
200
200
,
150
200
,
300
150
,
220
A
200
,
200
B
200
,
300
C
200
,
150
D
150
,
220
Open in App
Solution
Verified by Toppr
It is given that
10
3
g of a sample of water contains
0.222
g of
C
a
C
l
2
.
Was this answer helpful?
1
Similar Questions
Q1
1
kg of a sample of water contains
222
mg of
C
a
C
l
2
and
219
mg of
M
g
(
H
C
O
3
)
2
. Its permanent hardness and temporary hardness in ppm are respectively:
View Solution
Q2
One litre of a sample of hard water contains
55.5
mg of
C
a
C
l
2
and
4.75
mg of
M
g
C
l
2
. The total hardness in terms of ppm of
C
a
C
O
3
is
:
View Solution
Q3
975
m
L
of a water sample contains 1
m
g
C
a
C
l
2
and 1
m
g
M
g
C
l
2
. Total hardness of water (in ppm) is
View Solution
Q4
One litre of a sample of hard water contains 55.5 mg of
C
a
C
l
2
and 4.75 mg of
M
g
C
l
2
. The total harness in terms of ppm of
C
a
C
O
3
is :
View Solution
Q5
One litre hard water contains
1
mg
C
a
C
l
2
and
1
mg
M
g
S
O
4
. The hardness of water is:
View Solution