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CBSE Notes 2011-2012 » IX-Science-Term2

Atoms and Molecules

The chemical symbol for sodium is

Multiple choice question

The chemical symbol for sodium is

Which of the following would weigh the highest ?

Multiple choice question

Which of the following would weigh the highest ?

Which of the following has maximum number of atoms ?

Multiple choice question

Which of the following has maximum number of
atoms ?

Which of the following contains maximum number of molecules ?

Multiple choice question

Which of the following contains maximum number
of molecules ?

3.42 g of sucrose are dissolved in 18 g of water in a beaker. The number of oxygen atoms in the solu...

Multiple choice question

3.42 g of sucrose are dissolved in 18 g of water in a
beaker. The number of oxygen atoms in the solution
are

A change in the physical state can be brought about

Multiple choice question

A change in the physical state can be brought about

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