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9th CBSE
IMPORTANT
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Which of the following contains maximum number of molecules?

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Important Questions on Atoms and Molecules

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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Multiple Choice Questions>Q 8
Mass of one atom of oxygen is
HARD
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Multiple Choice Questions>Q 9
3.42 g of sucrose are dissolved in 18 g of water in the beaker. The of oxygen atoms in the solution are
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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Multiple Choice Questions>Q 10
A change in the physical state can be brought about
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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Short Answer Questions>Q 11
Which of the following represents a correct chemical formula? Name it.
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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Short Answer Questions>Q 12
Write the molecular formula for the copper II bromide.
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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Short Answer Questions>Q 12
Write the molecular formula for the compound aluminium III nitrate.
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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Short Answer Questions>Q 12
Write the molecular formula for the compound calcium II phosphate.
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9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 3 - Atoms and Molecules>Short Answer Questions>Q 12
Write the molecular formula for the compound Iron III sulphide.