Q3 of 15 Page 44

Give a scientific reason for the following:

Ornamental gold is an example for the homogeneous mixture.

Ornamental gold (the most popular one is 22-carat gold) consists of both gold and copper. The composition of gold and copper is uniform throughout in ornamental gold and cannot be distinguished using naked eyes or microscope. So, ornamental gold is said to be a homogeneous mixture.


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Answer the following questions.

Give any two examples of solvents other than water.

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Give a scientific reason for the following:

Gases do not have a definite shape and volume.

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Give a scientific reason for the following:

A mixture of sand and iron fillings is a heterogeneous mixture.

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Give a scientific reason for the following:

Water is called the universal solvent