(i) Solid to liquid state
(ii) Liquid to vapour state
(iii) Gas to liquid state
(iv ) Liquid to solid state
(v) Solid to vapour state
(vi) (a) Temperature
(b) Solid to liquid state
(c ) Pressure conditions
(vii) (a) Temperature
(b) Liquid to vapour state
(c ) Atmospheric pressure
(viii) Pressure
(ix) (a) Temperature
(b) Liquid to solid state
(c) Atmospheric pressure
(x) Temperature above which a gas cannot be liquefied.
(xi) Mass, occupies volume
(xii) Homogenous, contains only one kind of particles.
(xiii) Mixing of two more elements of compounds in any proportion.
(xiv) Like atoms
(xv) Like molecules
(xvi) 1, 2, 3 valence electrons
(xvii) 4, 5, 6, 7, 8 valence electrons
(xviii) Properties of both metals and non metals
(xix) Solid-solid homogenous mixture.
(xx) chemically unreactive
