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Essentials of Chemistry
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Chapter 3 - Atoms and Molecules
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Multiple Choice Questions MCQs
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Q 37
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HARD
9th CBSE
IMPORTANT
Earn 100
Which of the following will weigh the highest?
(a)
1 mole
H
2
O
(b)
1 mole
CaCO
3
(c)
1 mole
CO
2
(d)
1 mole
NaOH
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Important Questions on Atoms and Molecules
HARD
9th CBSE
IMPORTANT
Essentials of Chemistry
>
Chapter 3 - Atoms and Molecules
>
Multiple Choice Questions MCQs
>
Q 38
Which of the following will have maximum number of atoms
HARD
9th CBSE
IMPORTANT
Essentials of Chemistry
>
Chapter 3 - Atoms and Molecules
>
Multiple Choice Questions MCQs
>
Q 39
The correct statement about atoms is:
EASY
9th CBSE
IMPORTANT
Essentials of Chemistry
>
Chapter 3 - Atoms and Molecules
>
Multiple Choice Questions MCQs
>
Q 40
The number of atoms in
CO
3
2
-
is
