Question

Item 4

Answer 1

The statement that best describes a mixture is -

• two or more substances that are mixed but can be separated back to their original form, maintaining their original properties.

Explanation:

A mixture is that form of matter in which two or more substances are simply mixed in any proportion and it can be separated back to their original form.

• There are two types of Mixtures -

1. Homogeneous Mixtures
2. Heterogeneous Mixtures

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In Homogeneous Mixtures, the composition is uniform throughout such as sugar in water , salt in water , sulphur in carbon disulphide , water and alcohol , whereas Heterogeneous Mixtures has non Uniform composition such as sand and salt , sugar and salt , wood , blood , water in soil etc.

• Pure substance is a Homogeneous material which consists of a single type of particles atoms or molecules with definite set of properties.