Matter in Our S...

The temperature above which a gas cannot be liquefied is known as

In which one of the following sets, is each one a solid under ordinary conditions?

Match the following with the correct response:-

Match the following with the correct response:-

Which of the following statements is/are correct for the solid state?
(a) The constituent particles are closely packed.
(b) The attracting forces are very strong.
(c) The movement of constituent particle is restricted.
(d) They do have fixed shape.

An almirah is a solid because:
(a) It is hard and rigid.
(b) Its shape doesn’t change when pressed.
(c) Its density is very high.
Which is correct reason?

Arrange the following substances in increasing order of attraction between the particles: water, sugar, oxygen.

The inter-particle forces are the strongest in

Pressure on the surface of a gas is increased. What will happen to the inter-particle forces?

Which of the two statements is/are true?

Statement A: A substance is said to be in the liquid state if under normal pressure, its melting point (M.P.) is below the room temperature.
Statement B: The melting point of a solid and the freezing point of a liquid are different.