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Byju's Answer
Standard IX
Chemistry
Types of Chemical Reaction
Na2CO3.10H2O ...
Question
N
a
2
C
O
3
.10
H
2
O
⟶
N
a
2
C
O
3
.
H
2
O
The given reaction is an example of:
A
efflorescent substance
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B
deliquescent substance
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C
hygroscopic substance
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D
none of the above
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Solution
The correct option is
A
efflorescent substance
In this reaction water is being released. This type of substance is known as efflorescent substance.
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Similar questions
Q.
In the reaction
H
2
O
2
+
N
a
2
C
O
3
→
N
a
2
O
2
+
C
O
2
+
H
2
O
, the substance undergoing oxidation is:
Q.
N
a
O
H
+
H
C
l
⟶
N
a
C
l
+
H
2
O
.
The given reaction is an example of:
Q.
In the reaction
C
u
O
+
H
2
→
C
u
+
H
2
O
which substance gets oxidised and which gets reduced?
Give one more example of such type of reaction.
Q.
The reaction
2
C
2
H
5
O
H
c
o
n
c
H
2
S
O
4
−
−−−−−−
→
140
0
C
C
2
H
5
O
C
2
H
5
+
H
2
O
is an example of:
Q.
Complete the following reaction:
N
a
2
C
O
3
+
H
2
S
O
4
→
____?
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