Give one test to distinguish whether the given emulsion is oil-in-water-type emulsion.

Explanation

To distinguish whether a given emulsion is an oil-in-water type emulsion or a water-in-oil type emulsion, we can perform the following test:

### Step-by-Step Solution:

1. **Prepare the Emulsion**: Take the emulsion sample that you want to test. Ensure that it is well mixed before performing the test.

2. **Add Water**: Gradually add a small amount of water to the emulsion sample.

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