Question

Study the following graph and fill in the blanks.

	X	Y	P	Q
(a)	Liquid	Gas	Freezing point	point
(b)	Boiling	Melting	Boiling point	Melting point
(c)	Fusion	Vapori-sation	Melting point	Boiling point
(d)	Evaporation	Vapori-sation	Fusion	Boiling

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (C)

$X$ represents melting of solid into liquid and $P$ being the melting point. $Y$ represents vaporisation of liquid into gas and $Q$ represents boiling point of the liquid.