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This quiz contains 5 questions from a mix of 1 subtopics.
Which reagent is used in the carbohydrate test?
benedict's solution
ethanol
biuret solution
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 accelerate the reaction between the food sample and Benedict's solution
to prevent the water bath from boiling
to cool down 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 accelerate the reaction between the food sample and iodine solution
to prevent the test tube from breaking
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 prevent the test tube from breaking
to observe any changes in colour
to cool down the test tube
to accelerate the reaction between the food sample and the Biuret solution
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