Multiple choice

Which of the following states Boyle's law correctly?

  1. Temperature remaining constant, the volume of a given mass of any gas is inversely proportional to its pressure

  2. The volume of a given mass of any gas is directly proportional to the product of its temperature and pressure

  3. Volume and temperature remaining constant, the mass of any gas inversely proportional to its pressure

  4. Temperature remaining constant, the volume of a given mass of any gas is directly proportional to its pressure
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A Correct answer
Explanation

Boyle's law states that for a fixed mass of gas at constant temperature, pressure is inversely proportional to volume (P ∝ 1/V or PV = constant). This means as pressure increases, volume decreases proportionally, and vice versa. Option A correctly states this inverse relationship with the condition of constant temperature.

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