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Byju's Answer
Standard X
Chemistry
Precipitation Reaction
2Mg + O2 → 2M...
Question
2
M
g
+
O
2
→
2
M
g
O
The above reaction is an example of :
A
decomposition reaction
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B
displacement reaction
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C
combination reaction
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D
oxidation reaction
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Solution
The correct options are
A
combination reaction
C
oxidation reaction
It is a combination reaction and an oxidation reaction where
M
g
is getting oxidized to form
M
g
O
.
Hence options C and D are correct.
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Similar questions
Q.
2Mg + O
2
→ 2MgO
2 NO + O
2
→ 2 NO
2
is an example of :
Q.
Identify the oxidising agent (oxidant) in the following reactions.
2
M
g
+
O
2
→
2
M
g
O
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.
Fill in the blanks with suitable words:
2
M
g
+
O
2
→
2
M
g
O
In this reaction the reactants are ______ and ________.
Q.
Identify the following reactions as endothermic or exothermic
(i)
2
N
a
H
C
O
3
+
H
e
a
t
e
n
e
r
g
y
→
N
a
2
C
O
3
+
H
2
O
+
C
O
2
(ii)
2
M
g
+
O
2
→
2
M
g
O
+
e
n
e
r
g
y
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