Fill in the blanks

(a) …………… are made up of same kind of atoms.

(b) …………… and …………… are pure substances.

(c) In a ……………, the substances are not combined chemically.

(d) Clay is separated from water by a method called …………… .

(e) …………… is a process to obtain a very pure form of a solid dissolved in a liquid.

(f) Camphor and ammonium chloride can …………… .

Give one word answers for the following:

(a) The solid particles which remain on the filter paper after the filtration.

(b) The liquid which evaporates and then condenses during the process of distillation.

(c) The process of transferring the clean liquid after the solid settles at the bottom of the container.

(d) The process by which two miscible liquids are separated.

Components of crude petroleum can be separated by:

1. distillation
2. evaporation
3. filtration
4. fractional distillation

Example of a homogeneous mixture is:

1. tap water
2. distilled water
3. sand and water
4. water and oil