in perfume bottle a liquid is seen and we observe that those bottles are sealed and have only very small whole.what happens when we press the nozzel?
Answers
Explanation:you feel that liquid is there in the bottle but not, fragranced gas is there in the bottle when you press the nuzzle water comes out this is because when air is compressed into a container the gas starts to react as a liquid.
Answer:
An aerosol can would be entirely useless if there weren't some way of allowing its contents to escape in a very controlled way. That job is done is by the valve at the top of the can—just underneath the button you press—which has a spring to stop it staying permanently open. When you force the button down against the pressure of the spring, the valve opens and reduces the pressure at the top of the can, allowing the contents to escape as an aerosol. Release the button and the spring closes the valve again.
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