BI-1202
Food tests
Biology · Secondary 4 · Easy · Food tests
A student tests for starch in a leaf after placing the plant in bright light. Which sequence of steps should be carried out before adding iodine solution?
- Boil in water → rinse in water → add iodine solution.
- Boil in alcohol → boil in water → add iodine solution.
- Boil in water → boil in alcohol → rinse in water.
- Boil in water → boil in alcohol → rinse in water → add iodine solution.
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