How will you justify that ice , water and steam are the three states of a substance and not different substances?
why should we wear cotton clothes in summer?
ICE AT 0 DEGREE CELCIUS APPEARS COLDER TO THE MOUTH THAN WATER AT 0 DEGREE CELCIUS.WHY?
how does applying pressure help in liquefaction of a gas?
a gas exerts pressure on the walls of the container?why?how?
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