Class 9 / Chemistry / Matter in our Surroundings / Evaporation

WHAT IS EVAPORATION

WHAT IS EVAPORATION Do we always need to heat or change pressure for changing the state of matter? Can you quote some examples from everyday life where change of state from liquid to vapour takes p

Related content View

Class 9 / Chemistry / Matter in our Surroundings / Evaporation

FACTORS AFFECTING EVAPORATION

FACTORS AFFECTING EVAPORATION Let us understand this with an activity.   Activity 1.14: ( Activity showing factors affecting evaporation ) *   Take 5 mL of water in a test t

Related content View

Class 9 / Chemistry / Matter in our Surroundings / Evaporation

HOW DOES EVAPORATION CAUSE COOLING?

HOW DOES EVAPORATION CAUSE COOLING? In an open vessel, the liquid keeps on evaporating. The particles of liquid absorb energy from the surrounding to regain the energy lost during evaporation. This

Related content View