Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
Which of the following types of carbohydrates does Benedict's reagent test for?
non-reducing sugars
starch
reducing sugars
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When carrying out the Benedict's test, which colour indicates a high concentration of reducing sugar?
blue
orange
green
brick-red
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True or False? All monosaccharides are reducing sugars.
false
true
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Which colour will a non-reducing sugar initially give when heated with Benedict's reagent?
blue
brick-red
orange
colourless
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Which chemical must be added to a non-reducing sugar to hydrolyse the disaccharides?
iodine solution
hydrochloric acid
sodium hydrogencarbonate
Benedict's reagent
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Which chemical solution can test for the presence of starch?
ethanol
biuret
Benedict's
iodine
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True or False? A positive result for the iodine test is indicated by a blue-black colour.
true
false
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Which colour indicates a negative result in the iodine test?
orange
black
green
blue
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