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Olympiad-Science
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Class 8
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Q)
Which gas are produced when metal react with acids
a
.
O
x
y
g
e
n
b
.
N
i
t
r
o
g
e
n
c
.
H
y
d
r
o
g
e
n
d
.
C
a
r
b
o
n
d
i
o
x
i
d
e
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