Question

9th class.Give reason. a. Particle of poottasium permanganate spread easily in water kept at room temperature but not in very cold water.b. It is difficult to cut the stream of water.c. Fragrance of perfume spread very fast.d. A gas fills the vessel in which it kept.

Answer 1

a) room temp water hotter than cold water comparatively
particles travel faster since they have more energy
hence the potassium permanganate particles move easiely.