The seed uses the starch until it become an adult plant or in other words, until it is fully grown to produce its own food. Inside the cotyledon, starch is present and thus, gives a positive result for starch :)
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∙ 10y agoStarch is made up of repeating glucose units. Though it is a non reducing sugar, its hydrolysis gives out pure glucose, which is known as dextrose. And glucose, as we know, is a reducing sugar and hence would give a positive result in Benedict's test.
Yes, you are breathing in the second hand smoke and that will trigger a positive result in a test. Something as simple as sesame seeds can also give you a positive test since the tests are very sensitive.
Yes it give positive result
which halogens give a positive beilstein test?
cellulose is derived from D-glucose units, which condensed through beta(1->4)-glycosidic bond. This give cellulose to be a straight polymer therefore, it can't coil around iodine to produce blue color as starch does.
Starch doesnot give positive result for Fehling's test as it does not have a free hemiacetal group
Vanilla extract, as it sounds, is the vanilla flavor extracted from the vanilla bean. The bean is a long, brown bean which is sliced lengthwise (picture slicing a green bean) and exposing many, many small black seeds. These seeds are what give the vanilla flavor. If one has ever eaten a higher quality vanilla cake and noticed black seeds in the cake, these are the seeds from the vanilla bean.
poppy seeds will give you the false drug reading
Starch is made up of repeating glucose units. Though it is a non reducing sugar, its hydrolysis gives out pure glucose, which is known as dextrose. And glucose, as we know, is a reducing sugar and hence would give a positive result in Benedict's test.
no amount, poppy seeds only give a false positive for, heroin or, opiates !
Yes starch does give you some energy.
Starch is sugar. Starch is the name they give to a polymer of glucose.
nothing