Classify the following as pure substances or mixtures. Separate the pure substances into elements, compounds and divide the mixtures into homogeneous and heterogeneous :
22 Carat gold

Explanation

To classify 22 Carat gold as either a pure substance or a mixture, and further categorize it into elements, compounds, homogeneous, or heterogeneous mixtures, we can follow these steps:

### Step 1: Identify if 22 Carat Gold is a Pure Substance or a Mixture
- 22 Carat gold is not pure gold; it contains a mixture of gold and other metals, primarily copper.

### Step 2: Classify 22 Carat Gold
- Since 22 Carat gold is a combination of gold and copper, it is classified as a mixture.

...