Y8 Food tests

What chemical is used to test for glucose

• Benedict's Reagent

• Sodium Hydroxide and Copper Sulfate

• Ethanol and water

• Iodine

What chemical is used to test for starch?

• Benedicts reagent

• Sodium Hydroxide and Copepr Sulfate

• Ethanol and water

• Iodine

What chemical is used to test for lipids

• Benedicts reagent

• Sodium hydroxide and copper sulfate

• Ethanol and water

• Iodine

What chemical is used to test for proteins

• Benedicts Reagent

• Sodium Hydroxide and Copper sulfate

• Ethanol and water

• Iodine

What colour does iodine turn when starch is present

• Blue/Black

• Blue

• Black

• Purple

What colour will benedicts reagent be if there is no glucose present

• Blue

• Green

• Yellow

• Red

What will happen to the colour of a solution once shaken with ethanol and water is added, if a lipid is present

• White

• Yellow

• Milky white

• Colourless

What colour will sodium hydroxide and copper sulfate turn if a protein is present?

• Pink

• Blue

• Purple

• Red