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Byju's Answer
Standard VIII
Chemistry
Natural and Man-made Chemical Changes
Zn + 2HCI → Z...
Question
Z
n
+
2
H
C
I
→
Z
n
C
l
2
+
H
2
is an example of:
A
Chemical combination
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B
Chemical decomposition
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C
Chemical displacement
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D
Chemical double displacement
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Solution
The correct option is
B
Chemical displacement
It is a displacement reaction. Zinc is more reactive then hydrogen hence, it displaces hydrogen.
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Similar questions
Q.
The reaction, Zn + 2HCl → ZnCl
2
+ H
2
is an example of:
Q.
Choose the correct answer from the four alternatives given in the brackets:
Z
n
+
2
H
C
l
⟶
Z
n
C
l
2
+
H
2
↑
The above reaction is an example of _______.
(Combination reaction, Double displacement reaction, Displacement reaction, Decomposition reaction)
Q.
Z
n
+
2
H
C
l
→
Z
n
C
l
2
+
H
2
↑
The above reaction is an example of:
Q.
1) Zn + 2HCl ----> Zn Cl2 + H2
Q.
For,
Z
n
(
s
)
+
2
H
C
l
(
a
q
)
⇌
Z
n
C
l
2
(
a
q
)
+
H
2
(
g
)
what will be the expression of
K
c
:
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