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

Explanation

To classify brass as either a pure substance or a mixture and further categorize it, we can follow these steps:

### Step 1: Identify if Brass is a Pure Substance or a Mixture
- Brass is an alloy made by mixing two metals: copper and zinc. Since it consists of more than one substance that are not chemically bonded, it is classified as a mixture.

### Step 2: Classify the Mixture
- Mixtures can be further classified into homogeneous and heterogeneous mixtures. In a homogeneous mixture, the components are uniformly distributed, while in a heterogeneous mixture, the components are not uniformly distributed.

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