A balloon is filled with hydrogen at room temperature. It will burst if pressure exceeds 0.2 bar. If at 1 bar pressure the gas occupies 2.27 L volume, upto what volume can the balloon be expanded ?

1. 11.35 L

2.  08.35 L

3. 13.35 L

4. None of the above

On a ship sailing in Pacific Ocean where temperature is 23.4°C, a balloon is filled with 2 L air. When the ship reaches Indian ocean, where temperature is 26.1°C, the volume of the balloon is-

1. 3.018 L

2. 5. 018 L

3. 2.018 L

4. 6.018 L

At 25°C and 760 mm of Hg pressure, a gas occupies 600 mL volume. Pressure at a height where the temperature is 10°C and volume of the gas is 640 mL will be-

1. 686.6 mmHg

2. 676.6 mmHg

3. 647.6 mmHg

4. 636.6 mmHg