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Tollen’s Test: Which food samples contain reducing sugars? Virtual Lab

Learn how to perform Tollen’s test for reducing sugars on a variety of food samples. Predict which samples contain reducing sugars and find out how your predictions compare to your results!

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High School

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About this Simulation

Practice makes perfect! In this simulation you will learn how to perform Tollen’s test for reducing sugars on a variety of food samples. You will use your existing knowledge of food macromolecules to predict which food samples contain reducing sugars. Dr. One will guide you step-by-step to process the samples through Tollen’s test. How will your predictions compare to your results?Make a predictionStart by getting familiar with the apparatus on your workbench and setting up the heated water bath. Now that you’re set up, use your existing knowledge to predict which food samples will contain reducing sugars. Don’t be afraid to make mistakes. Later you will compare your predictions to your results.Perform Tollen’s testLearn how to process food samples through Tollen’s test as if you were in a lab! With step-by-step guidance from Dr. One, you will process the food samples through Tollen’s test and generate some shiny results. Combine the theory of Tollen’s test with your observations to interpret your results and discover which food samples contain reducing sugars. Results vs. PredictionThe final step is to compare your results to your predictions. Did your results match your predictions? Are there any results that are surprising?

Simulation features

Length:

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21

mins

Accessibility mode:

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Available

Languages:

English (United States)

Course Packages:

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Learning Objectives

At the end of this simulation, you will be able to:

  • Process a food sample through Tollens' test for reducing sugars

  • Briefly describe the reaction mechanism that permits the detection of reducing sugars

  • Interpret the results of Tollens' test

Techniques in Lab

At the end of this simulation, you will be able to:

  • Tollens' Test
  • Reducing sugars
  • Positive and negative controls

Explore:

Tollen’s Test: Which food samples contain reducing sugars?

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