You are given a hammer, a battery, a bulb, wires and a switch.
(a) How could you use them to distinguish between samples of metals and non-metals?
(b) Assess the usefulness of these tests in distinguishing between metals and non – metals.

Explanation

### Step-by-Step Solution:

**(a) Distinguishing between metals and non-metals using the given tools:**

1. **Testing Malleability with the Hammer:**
- Take a sample of the material you want to test.
- Use the hammer to gently strike the sample.
- Observe the result:
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