Multiple choice

What does Graham's law of diffusion state?

  1. It states that at constant temperature and pressure, the rate of diffusion of a gas is inversely proportional to the square root of its density.

  2. Equal volumes of all gases at the same temperature and pressure have the same number of molecules.

  3. At constant pressure, the volume of a given mass of gas is directly proportional to the absolute temperature.

  4. At constant temperature, the volume of a given mass of a gas is inversely proportional to pressure.

  5. -
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A Correct answer
Explanation

It is true about Graham's law.

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