Change of gas into liquid on cooling
Condensation
LPG is gas fuel.True OR False
True
Giving off heat while burning are called
fuels
petrol ---------------- fuel.
liquid
Change of liquid into vapour on heating
Evaporation
--------- change their state as the ------- change.
matter,temperature
cow dung is ------------ fuel.
solid
These are all gas fuels.True or False
True
Change of solid into liquid on heating
Melting
Change of liquid into solid on cooling
Freezing
These are all------------- fuels.
liquid
These are all solid fuels.Yes or No
Yes