Chapter 2-Is Matter Around Us Pure?(Mixtures and Solutions)

Fill in

The ________ is unable to remove the solute particles from the mixture.

filtration procedure

________ are mixtures of two or more metals or a metal and a non- metal that are impossible to physically separate into their component parts.

Alloys

________ are big enough to scatter a beam of light passing through it and make its path visible.

Colloids

A ________ is a solution which has extremely small particle size less than 1 nm (10- 9 metres)

homogenous mixture

________ is a basic form of matter that can not be broken down into simpler substances by chemical reactions.

Element

________ is a process that separates a pure solid in the form of its crystals from a solution.

Crystallisation

The effect that can be observed in colloidial solution is ________.

Tyndall effect

________ is used for the separation of components of a mixture containing two miscible liquids that boil without decomposition and have sufficient difference in their boiling points.

Distillation

A(n) ________ is a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.

homogeneous mixture

________ are mixtures in which minute insoluble particles of one substance are suspended in another substance.

Colloids

Sublimation is camphour is a ______ change

physical

Most common chemical change we observe in our routine life is rusting of______.

Iron

A solution is defined as a mixture that is __________

Homogeneous

A pure substance has a fixed__________ or ______ at constant temperature.

M. P & B. P.

Common salt is _________.

compound

Filtered tea is a _________ mixture.

homogeneous