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Byju's Answer
Standard VII
Chemistry
Uses of Metals
Question 1Met...
Question
Question 1
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
M
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C
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In which cases will you find displacement reactions taking place?
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Solution
M
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t
a
l
Z
i
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c
M
a
g
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s
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C
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p
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Similar questions
Q.
Question 1
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
M
e
t
a
l
Z
i
n
c
M
a
g
n
e
s
i
u
m
C
o
p
p
e
r
Z
i
n
c
o
x
i
d
e
−
−
−
M
a
g
n
e
s
i
u
m
o
x
i
d
e
−
−
−
C
o
p
p
e
r
o
x
i
d
e
−
−
−
In which cases will you find displacement reactions taking place?
Q.
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
Metal
Zinc
Magnesium
Copper
Zinc oxide
Magnesium oxide
Copper oxide
In which cases will you find displacement reactions taking place?
Q.
On heating(Strong) the mixture of powdered iron and copper(||) oxide in a crucible:
(A)formation of iron(||)oxide and copper takes place
(B)formation of copper(|||)oxide and iron(||)oxide takes place (C)no reaction takes place
Q.
Question 11
Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. The solution of which of the following oxides in water will change the colour of blue litmus to red?
(a) sulphur dioxide
(b) magnesium oxide
(c) iron oxide
(d) copper oxide
Q.
Question 11
Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. The solution of which of the following oxides in water will change the colour of blue litmus to red?
(a) sulphur dioxide
(b) magnesium oxide
(c) iron oxide
(d) copper oxide
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