Find the odd one out from the following:
Sugar, Salt, Sand, Copper sulphate

Explanation

To find the odd one out from the list: Sugar, Salt, Sand, and Copper Sulfate, we can follow these steps:

### Step 1: Identify the properties of each substance
- **Sugar**: A sweet substance that is soluble in water.
- **Salt**: A mineral that is also soluble in water.
- **Sand**: A granular material that is generally insoluble in water.
- **Copper Sulfate**: A chemical compound that is soluble in water.

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