Question

1. We can liquefy gases by applying
_and decreasing.
of a gas.
2. When water vapour in air condense to form
water droplets on a glass, heat is
3. The fluorescent tube is made from a state of
matter, called
4. The three states of matter are classified based
on the difference in the
of their
molecules.​

Answer 1

Answer:

1) we can liquefy gases by applying pressure and decreasing temperature.. 2) when water vapour in air contains to form water droplets on glass heat is excluded.. 3) fluorescent tube is made from a state of matter called gas /plasma. 4) the three States of matter are solid, liquid & gas