Column-I		Column-II
A)	Lowering of vapour pressure	p)	$\frac{{\mathrm{P}}^{\mathrm{o}}-\mathrm{P}}{{\mathrm{P}}^{\mathrm{o}}}$
B)	Relative lowering of vapour pressure	q)	$\frac{{\mathrm{P}}^{\mathrm{o}}-\mathrm{P}}{{\mathrm{P}}^{\mathrm{o}}}=\frac{\mathrm{w}}{\mathrm{m}}\times \frac{\mathrm{M}}{\mathrm{W}}$
C)	Raoult’s law	r)	${\mathrm{P}}^0-\mathrm{P}$
D)	Ideal solution	s)	Obeying Raoults law
		t)	Boiling point

	A	B	C	D
1.	r	p	q	s
2.	s	p	q	r
3.	p	q	r	s
4.	q	r	s	p