Food tests

• What does Benedict's test for?

  Sugar
• What is the test for sugar?

  Benedicts
• What must happen for a Benedicts test to work?

  Heat solution in a water bath
• What is the test for starch?

  Iodine
• How can pH be measured?

  • Universal indicator
  • pH meter
• What is the colour change for Benedicts if sugar is present?

  Blue to brick red
• What is the colour change for iodine if starch is present?

  Orange to blue black
• What is the test for protein?

  Biuret
• What is the colour change for biuret if protein is present?

  Blue to lilac
• What is the test for lipids?

  Ethanol and water
• What is the colour change if ethanol if there are lipids present?

  Clear to cloudy
• How can you remeber the food tests?

  Pandas surf (with) style like bison beam in elegance
• Which two solutions are blue?

  Biuret and Benedicts
• Which solution turns bRICk red when the test is positive?

  Benedicts
• What happens to Ethanol when the test is positive?

  Emulsion (turns cloudy)
• Which solution turns blue black in a positive test?

  Iodine
• Which solution is orange?

  Iodine
• Which solution turns lilac?

  BiurET (violET)