Question

is it necessary to keep gas in a closed container justify the answer​

Answer 1

Gasoline is very volatile and if not kept in a tightly sealed container will quickly fill a space with vapors at a sufficient concentration to be a fire and explosion hazard. ... Because the gas is in a container which then puts it under high pressure. Pressure increases with lower volume.

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Answer 2

Answer:

Heating a gas increases the kinetic energy of the particles, causing the gas to expand. In order to keep the pressure constant, the volume of the container must be increased when a gas is heated. This law explains why it is an important safety rule that you should never heat a closed container.