Question : Which law was proposed in 1811, predicted that the same volume of gases at the same temperature and pressure would have the same number of molecules?
Option 1: Dalton’s law
Option 2: Gay-Lussac’s law
Option 3: Avogadro’s law
Option 4: Charles' law
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Correct Answer: Avogadro’s law
Solution : The correct answer is Avogadro's law .
Avogadro's law, named after the Italian scientist Amedeo Carlo Avogadro, states that equal volumes of gases at the same temperature and pressure contain the same number of molecules.
This law implies that the molar volume of any ideal gas is the same under the same temperature and pressure conditions. It played a crucial role in developing the mole concept and understanding the behaviour of gases.
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