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Question
Chemistry
The raw material in Solvay process are: (1) NaCl (2) CaCO 3 (3) NH 4 Cl (4) CO 2
Q. The raw material in Solvay process are :
(1)
N
a
Cl
(2)
C
a
C
O
3
(3)
N
H
4
Cl
(4)
C
O
2
2002
234
BHU
BHU 2006
Report Error
A
1, 2 and 3 are correct
B
1 and 2 are correct
C
2 and 4 are correct
D
1 and 3 are correct
Solution:
The raw materials in Solvay process. are :
N
a
Cl
,
C
a
C
O
3
and
N
H
4
Cl
N
H
3
+
H
2
O
+
C
O
2
⟶
N
H
4
H
C
O
3
N
H
4
H
C
O
3
+
N
a
Cl
⟶
N
a
H
C
O
3
↓
+
N
H
4
Cl
2
N
a
H
C
O
3
Δ
N
a
2
C
O
3
+
H
2
O
+
C
O
2
N
a
2
C
O
3
crystallization
washing soda
N
a
2
C
O
3
⋅
1
O
H
2
O