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What is barfoed test?
The Barfoeds test will allow us to make a distinction between reducing monosaccharides and reducing disaccharides. If the Red tetrazolium test is done first and is positive for a reducing sugar, then the Barfoeds test will tell us if it is mono or di.
What does a negative Benedicts test indicate?
A negative Benedict's test would indicate that there isn't any presence of reducing sugars in that particular substance.
What does blue mean on a pregnancy test?
It depends on what that pregnancy test uses to indicate pregnancy. Read the directions carefully to see what they use to indicate a positive or negative pregnancy test.
Which colour indicate a negetive test when starch is absent?
If you're using iodine, a negative test will be the color of the iodine solution, which should be a brownish color.
Why would a negative iodine test for starch indicate a positive result for the enzymatic degradation of starch by amylase?
Perhaps the iodine solution was old and gave a false negative.
What is a good conclusion of the benedicts test?
A good conclusion of the Benedict's test would be to state whether the test result was positive or negative for reducing sugars. Positive result would indicate the presence of reducing sugars, while a negative result would suggest their absence. This information can be important for further analysis or identification of certain carbohydrates.
Does Sarcina test positive or negative for the voges-proskauer test?
negative
Can you be pregnant and the test negative?
It is possible to be pregnant and the test negative, but not likely.
How can doctors determine positive or negative blood types.?
Doctors can determine positive or negative blood types by administering a test. The difference between positive and negative types is the presence of the RH factor. Positive blood types indicate the presence of the RH factor while negative blood types do not have this factor.
What does a negative acceleration indicate?
slowing down
Can urine test for pheochromocytoma be false negative?
Any test can be a false negative.
How do you get negative paternity test?
That's a DNA test, it will only be negative if you are not the parent.
