Mention whether the following mixtures are homogeneous or heterogeneous:
(i) sugar solution (ii) milk
(iii) brass (iv) glass
(v) mixture of sand and sulphur
(vi) coin (vii) LPG.

Explanation

To determine whether the given mixtures are homogeneous or heterogeneous, we need to understand the definitions of these terms:

- **Homogeneous Mixture**: A mixture that has a uniform composition and appearance throughout. The components are evenly distributed, and it often appears as a single phase.

- **Heterogeneous Mixture**: A mixture that consists of visibly different substances or phases. The components can be easily distinguished and are not uniformly distributed.

Now, let's analyze each mixture one by one:

...