mater in our surroudings1

The particles of mater are

• very big

• very small

• both

• none

The amount of water vapour present in the air is

• density

• humidity

• precipitation

• vapourisation

State with highest kinetic energy

• solids

• liquids

• gases

• all

Which can easily compressed

• liquids

• gases

• solids

• semi solids

Inter mixing of particles of two different types of matter on their own is

• evaporation

• sublimation

• boiling

• diffusion

It has no fixed shape but fixed has volume

• gas

• liquid

• solid

• all

LPG full form

• liquid paraffin gas

• liquified petroleum gas

• liquid pretrol gas

• all

Melting point of ice is

• 100 K

• 273.15 K

• 200 K

• 270 K

Change of state directly from solid to gas without changing into liquid state is

• evaporation

• boiling

• fusion

• sublimation

If surface area increase evaporation

• increase

• decrease

• no change

• none