Under the same conditions, two gases have the same number of molecules. They must:

be noble gases

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have equal volumes

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have a volume of 22.4 dm

^{3}

each

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have an equal number of atoms

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Solution

The correct option is A have equal volumes
Avogadro's hypothesis: Equal volume of all gases have equal number of molecules (not atoms) at same temperature and pressures conditions.

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As per __ law, equal volumes of all gases under the same conditions of temperature and pressure contain an equal number of molecules.

Equal volumes of all gases under the same conditions of temperature and pressure contain equal number of molecules, is

If two gases under constant temperature and pressure have the same number of molecules then they must have different volumes.

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