Which gas law describes the relationship between volume and pressure at a constant temperature? boyle’s law charles’s law gay-lussac’s law combined gas law

Boyles law is the answer.

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Answer : The correct option is, Boyle’s law  

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

Charles' Law : It is defined as the volume of the gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

Gay-Lussac's Law : It is defined as the pressure of the gas is directly proportional to the temperature of the gas at constant volume and number of moles.

Avogadro's Law : It is defined as the volume of the gas is directly proportional to the number of moles of the gas at constant pressure and temperature.

Combined gas law : It is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

or,

From the above information we conclude that the relationship between volume and pressure at a constant temperature is known as Boyle’s law.

Hence, the correct option is, Boyle’s law  

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