Metal used in electroplating is

Options

A. zinc
B. nickel
C. tin
D. aluminium

Explanation

### Step-by-Step Solution:

1. **Understanding Electroplating**:
- Electroplating is a process where a layer of metal is deposited onto another metal. This is done to enhance the appearance, prevent corrosion, or improve the surface properties of the base metal.

2. **Purpose of Electroplating**:
- The primary purpose of electroplating is to prevent corrosion and to provide a protective layer on the metal surface.

3. **Electroplating Apparatus**:
- The process requires an electroplating apparatus that includes a brine solution, battery, wires, and alligator clips. The alligator clips hold carbon rods that are connected to the metal being electroplated.

4. **Common Metals Used in Electroplating**:
- The commonly used metals for electroplating include zinc, copper, and tin. These metals are chosen based on their properties and the desired outcome of the electroplating process.

5. **Conclusion**:
- Therefore, the metals used in electroplating are zinc and tin.

### Final Answer:
The metals used in electroplating are **zinc and tin**.

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