Question

3. What are food test?​

Answer 1

Answer:

Food test 3 - Emulsion (ethanol) test for Fats

Explanation:

This test is done to show the presence of lipids in a substance. The substance is first dissolved in ethanol. This solution is then dissolved in water. If lipids are present in the mixture, it will precipitates and forms an emulsion.

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Answer 2

Answer:

Food tests enable you to find out what food types a food contains. For fats the test is simply to squash a sample of food onto a piece of paper and leave it to dry. A positive test for fat is a translucent stain around the food sample when you hold the paper up to the light.

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