If you're talking about what I think you are, it's because the alcohol extracts the chlorophyll (which is green) from the plant cells.
Starch is produced by leaves during Photosynthesis, therefore if the leaf has not been exposed to light then it will not contain starch, and so when tested the Iodine will stay Yellow/Brown. Consequently if the leaf has been left in the light Photosynthesis will have taken place and when tested the Iodine will go Blue/Black showing that Starch is present. Hope this helps :)
The five different types of alcohol tests are the following:urine alcohol tests (including the UTG urine alcohol test)saliva alcohol testsblood alcohol testshair alcohol testsbreath alcohol testsFor detailed information about each type of alcohol test, go to www.alcohol-test-info dot com
No. Parole violations for testing positive for drugs or alcohol are very common. If they automatically go back to prison for testing positive most parolees would be returned to prison within 6 months of their release.
iodine is an indicator for starch, potatoes are basically starch storage organs for potato plants. that's why they are good to eat, mmm starch!
it does not go bad
No because they'd have to find it on you or you would have to get caught with or doing it and that go's for weed only since its illegal but with alcohol you're cool just dont drink and drive and get caught
starch
The starch solution diffuses out of the bag during osmosis.
Iodine is used to test for the presence of starch. In the presence of starch, iodine will turn from yellow-brown to a blue-black color.
Iodine turns blue-black in the presence of starch.
It's a fungal infection- throw away infected socks and go to a dermatologist or clean with alcohol and use fungus medications.
Starch is a carbohydrate and it breaks down into sugar after ingestion. Sugar gives us that get up and go!