Volume-temperature relationship is given by :

1. Boyle
2. Gay Lussac
3. Dalton
4. Charles

The S.I. unit of temperature is :

1. Pascal
2. °C
3. Kelvin
4. °F

The graph of PV vs P for a gas is :

1. parabolic
2. hyperbolic
3. a straight line parallel to X-axis
4. a straight line passing through origin

If pressure is doubled for a fixed mass of a gas, its volume will become :

1. 4 times
2. 1⁄2 times
3. 2 times
4. No change