Question

Match the following:

	Colum I		Column II
1.	Alloying	a.	Exothermic change
2.	Crystallization	b.	Periodic change
3.	Soap powder + water	c.	Mixing of molten solids
4.	Seasonal changes	d.	Pure solid

Answer 1

	Colum I		Column II
1.	Alloying	c.	Mixing of molten solids
2.	Crystallization	d.	Pure solid
3.	Soap powder + water	a.	Exothermic change
4.	Seasonal changes	b.	Periodic change