Question : ____________ states that the rates of diffusion of gases are inversely proportional to the square roots of their densities under similar conditions of temperature and pressure.
Option 1: Tyndall's Law
Option 2: Pascal's Law
Option 3: Graham's Law
Option 4: Kepler's Law
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Correct Answer: Graham's Law
Solution : The correct option is Graham's Law .
Graham's law states that the rates of diffusion or effusion of gases are inversely proportional to the square roots of their molar masses (or densities) under similar conditions of temperature and pressure. This law was formulated by Scottish chemist Thomas Graham in the 19th century.
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