Welcome to the Quiz!
This quiz contains 5 questions from a mix of 1 subtopics.
Which reagent is used in the carbohydrate test?
iodine solution
ethanol
benedict's solution
biuret solution
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What is the purpose of preheating the water bath in the carbohydrate test?
to prevent the water bath from boiling
to cool down the water bath
to accelerate the reaction between the food sample and Benedict's solution
to sterilise the water bath
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What is the purpose of adding iodine solution in the starch test?
to cool down the test tube
to prevent the test tube from breaking
to accelerate the reaction between the food sample and iodine solution
to observe any changes in colour
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What is the purpose of shaking the test tube in the lipid test?
to accelerate the reaction between the food sample and ethanol
to prevent the test tube from breaking
to observe any changes in colour
to mix the food sample with distilled water
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What is the purpose of adding Biuret solution A and Biuret solution B in the protein test?
to cool down the test tube
to observe any changes in colour
to prevent the test tube from breaking
to accelerate the reaction between the food sample and the Biuret solution
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