Question

explain how matter is classified based on its chemical nature

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Answer 1

Chemical classification of matter :

The classification can be done based on its composition at microscopic level, matter classified into

1. Pure substances
2. Mixtures.

pure substances :

These are the substances consists of single type of particles. All the particles of pure substances have same chemical composition.

Ex: Cu, Ag, Au, H2O, NaCl etc.,

pure substances can be divided into elements and compounds.

• Elements: 1. metals, 2. non - metals, 3. metalloids.
• compounds: 1. inorganic compounds, 2. organic compounds.

Mixtures:

It is defined as combination of two or more elements or compounds in any proportion so that the components donot loss their identity.

Ex: air, salt solution, sand water etc.,

Mixtures are divided into 2 types:

1. Homogeneous mixture
2. Heterogeneous mixture.