BI-6
Food tests
Biology · Secondary 3 · Easy · Food tests
A student wants to test a leaf for starch after placing the plant in sunlight. Which step must be done BEFORE adding iodine solution?
- Boil the leaf in alcohol to remove chlorophyll
- Soak the leaf in cold water for 10 minutes
- Add Benedict’s solution and heat
- Dry the leaf between filter papers
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