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Science TNSB Mentoring
Class 10
Atoms and molecules
Atoms, molecules, and the mole concept
6.
Molar mass
Question:
3
m.
1
.
Two elements sometimes can form more than one compound.
False
True
Two elements cannot form more than one compound.
Two elements sometimes can form more than one compound.
2
.
Noble gases are diatomic.
False
True
Noble gases are monoatomic.
Noble gases are diatomic.
3
.
Molar mass of \(CO_2\) is \(42\) \(g\).
False
True
Molar mass of \(CO_2\) is \(44\) \(g\).
Molar mass of \(CO_2\) is \(42\) \(g\).
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