Experiments
Starch in the yogurt? Starch is not poisonous and used as food. Content in yogurt, however, is
unacceptable.
3 samples of yogurt
Add iodine to each of them
Sample, which contains blue-violet coloration contain starch
Separate salt from beans-2 ways
1st way- 2nd way
Vitamin C
Vitamin C is oxidized quickly even by iodine. This redox reaction is basically a method for determining the amount of vitamin C.
Measure voltage using fruits
Relationship between nitrate and chlorophyll in green leaves.
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