When the gas from a cooking gas cylinder is used or when a gas stove is lighted what happens to the pressure of the gas in the cylinder?

When the gas from a cooking gas cylinder is used or when a gas stove i

1.	When the gas from a cooking gas cylinder is used or when a gas stove is lighted what happens to the pressure of the gas in the cylinder?
Answer» Solution :Pressure DECREASES when a GAS cylinder is used for cooking some amount of gas comes out by keeping VOLUME as CONSTANT. Pressure of gas is proportional to mass of gas in the container `P propto m` (when V & T are constant) So pressure in the cylinder decreases.