Give reasons for the following :
A. Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.
B. Sugar can be distinguished from talcum powder using water.
C. Water on freezing turns into ice.
D. A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Answer:A
Give reasons for the following :
A. Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid. B. Sugar can be distinguished from talcum powder using water. C. Water on freezing turns into ice. D. A bottle of perfume on opening evolves an odour which can be sensed over a long distance.