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Chemistry
Atoms and Molecules
CBSE
Class 9
Chemistry
Class 9 - Chemistry
Atoms and Molecules
MCQ
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1.
The formula of the sulphate of an element X is
X
2
(
SO
4
)
3
. The formula of nitride of element X will be :
a.
X
2
N
b.
XN
2
c.
XN
d.
X
2
N
3
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