Which of the following temperatures is known as the steam point ?

1. 273 K
2. 373 K
3. 290 K
4. 273°C

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

The graph shown below gives the statement for :

1. Henry's law
2. Charles' law
3. Boyle's law
4. Daltons' law

Volume-temperature relationship is given by :

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