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
reducing sugars
starch
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When carrying out the Benedict's test, which colour indicates a high concentration of reducing sugar?
orange
brick-red
green
blue
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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?
brick-red
blue
colourless
orange
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Which chemical must be added to a non-reducing sugar to hydrolyse the disaccharides?
sodium hydrogencarbonate
hydrochloric acid
iodine solution
Benedict's reagent
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Which chemical solution can test for the presence of starch?
iodine
ethanol
biuret
Benedict's
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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?
green
blue
orange
black
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