‘A’ is a gas.
Properties of gases:
(i) They do not have fixed shape and fixed volume.
(ii) They have large interparticle space.
(iii) They have least forces of attraction between the molecules.
(iv) They are highly compressible.
‘A’ is a gas.
Properties of gases:
(i) They do not have fixed shape and fixed volume.
(ii) They have large interparticle space.
(iii) They have least forces of attraction between the molecules.
(iv) They are highly compressible.
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Substance | Melting point(°C) | Boiling point(°C) |
X | -219 | -183 |
Y | 119 | 445 |
Z | -15 | 78 |