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JEE Mains 2020 Model Paper 3 New Pattern
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© examsnet.com
Question : 58
Total: 75
Match the following:
List - 1
List - 2
A) Calgon
1)
H
3
P
O
4
B) Exhausted permutit
2)
H
3
P
O
3
C) Dibasic substance
3)
M
g
A
l
2
S
i
2
O
8
.
x
H
2
O
D) Clark's process
4)
C
a
(
O
H
)
2
5)
N
a
2
[
N
a
4
[
P
O
3
]
6
]
6)
N
a
2
[
N
a
2
[
P
O
3
]
6
]
The correct match is
A - 5 , B - 3 , C - 1 , D - 4
A - 6 , B - 3 , C - 2 , D - 4
A - 5 , B - 3 , C - 2 , D - 4
A - 6 , B - 3 , C - 1 , D - 4
Validate
Solution:
Calgon is
N
a
2
[
N
a
4
(
P
O
3
)
6
)
]
Exhausted permutit is
M
g
A
l
2
S
i
2
O
8
.
x
H
2
O
Basicity of
H
3
P
O
3
is 2 and
H
3
P
O
4
is 3
Clark's process utilises slaked lime
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