Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Identify each of the following as a homogeneous or heterogeneous mixture with a reason:
i) Soda water
ii) Air
iii) Fruit salad
[3 Marks]

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> i) Soda water is a mixture of carbon dioxide and water. Soda water tastes the same throughout. This implies that soda water is a homogeneous mixture.
[1 Mark]
ii) Air is a mixture of various gases like nitrogen, oxygen, carbon dioxide, and many more. Air has a uniform composition of these gases throughout, and the constituent gases cannot be readily differentiated from one another. Hence air is a homogeneous mixture.
[1 Mark]
iii) Fruit salad is a mixture of various fruits. The pieces of fruits can be easily differentiated, which means that fruit salad is a heterogeneous mixture.
[1 Mark]