factors of evaporation

If the surface area is increased,

• the rate of evaporation increases

• the rate of evaporation decreases

• the rate of evaporation is the same

• evaporation does not occur

While putting clothes for drying up we spread them out? which factor?

• humidity

• kinetic energy

• increase of surface area

• speed

An increase in temperature particles get kinetic energy to go into

• solid state

• liquid state

• none

• vapour state

Characteristics of particles of matter

• particles of matter have space between them

• particles of matter are continuously moving

• particles of matter attract each other

• particles of matter do not exist

____________ is the amout of water vapour present in the air.

If the amount of water vapour in the air is already high,

• the rate of evaporation does not happen

• the rate of evaporation decreases

• the rate of evaporation increases

• none

The clothes dry faster on a

• sunny day

• rainy day

• cold day

• windy day

With the _____________ in wind speed, the water vapour moves away with the wind.

• increase

• decrease

• constant

• none

The boiling point of water is

• 100 °C

• 0°C

• 273 K

• 110 K

Evaporation is the change of

• vapours into solids

• solids into liquids

• liquids into vapours

• liquids into solids