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