BI-1350
Food tests
Biology · Secondary 4 · Easy · Food tests
A student wants to test a food sample for fat. She adds ethanol to the food, shakes, then pours the mixture into water.
Which result shows that fat is present?
Which result shows that fat is present?
- Solution stays colourless and clear.
- Solution turns blue-black.
- Brick-red precipitate forms.
- Cloudy white emulsion appears.
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