Question

Why are some substance found in solid state,some in liquid state and other in gas state ?

Answer 1

Answer:

the state of a substance depends on its physical properties and surrounding conditions.

Explanation:

the state of water at room temperature is liquid while when we apply pressure and decrease temperature it becomes a solid(when it is kept in freezer).when the liquid state of water ,on which we decrease pressure and increase temprature it becomes water vapours.By this we can conclude that due to the environmental features like pressure and temperature the state of an object changes or remains the same.

Answer 2

form left to right quartz(solid), water(liquid) nitrogen dioxide gas the state of the given substance exhibits is also physical property. some substances exist as gases at room temperature (oxygen, carbon dioxide)