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What is the chemical basis for a positive test in Molisch's test?
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What chemical grouping is responsible for a positive Hopkins-Cole test?
Tryptophan
How many of these chemical groupings must be present in a molecule to give a positive biuret test?
you should have at least 2 of these,to obtain a positive result in Biuret's test. because biuret test is a test used to detect if there is peptide linkages.
What is the chemical basis of the iodine and Molisch's test?
The iodine test: the ion I3(-) react with starch forming a blue color.Molisch test: dehydrated saccharides (with sulfuric acid) form an aldehyde whic react with a phenol an a red color is obtained.
What types of food would test positive result for carbohydrates proteins fats?
Any food that has carbohydrate, protein, and fats can be shown positive for those food test. It is basically a chemical reaction that indicate the presence of food component by a specific color formation.
What is the indicator and color change for a positive test for glucose?
Benedict solution is the chemical indicator for simple sugars.
What is the chemical basis of the Anthrone test?
carbohydrates
Can a person show a minute positive drug test if they handle cocane on a regular basis?
Yes you can receive a positive drug test if you handle cocane on a regular basis. It can be absorbed through the skin and mucous membranes from either inhalation or from the residue on your hands.
What is the value of chi square test positive or negative?
There must be some value otherwise nobody would do them. On that basis, the value must be positive.
What is the chemical basis of molisch test?
basis of molisch testMolisch's Test is a sensitive chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde, which condenses with two molecules of α-naphthol, though other phenols (e.g. resorcinol, thymol) also give colored products) resulting in a purple-colored compound (indicated by appearance of a purple ring at the interface between the acid and test layers).
What chemical in marijuana makes you pop positive on a drug test?
Tetrahydrocannabinol aka THC.
What chemical grouping is responsible for a positive Hopkins-Cole test?
Tryptophan
How many of these chemical groupings must be present in a molecule to give a positive biuret test?
you should have at least 2 of these,to obtain a positive result in Biuret's test. because biuret test is a test used to detect if there is peptide linkages.
Can exposure to diesel cause a false positive on a drug test?
not one bit. There is not a single chemical in diesel that they test for in a urine analysis.
A positive chemical test is often the best and safest way to identify a gas?
A positive result of any test identifies the actual presence of a particular substance in a given sample. This type of test is called a specific test. Yes, it is a safest way to identify a gas.
Will chewing tobacco test positive in oral swab?
no but semen mixed with blood does. it causes a chemical reaction with your breath
Does a positive Sudan IV test means that the food is a significant source of lipids?
Sudan IV is a chemical that is only soluble in lipids. This indicates that a positive Sudan IV test means that the food is a significant source of lipids.
Can positive pregnancy tests means something other then pregnancy?
Yes, home pregnancy tests can produce both false positives and false negatives. If a home pregnancy test is positive, you should see a gynecologist to have the pregnancy confirmed as soon as you can.
