Food tests
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Lesson duration is: 60 minItems in this lesson
Slide 1 - Slide
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Slide
Slide 5 - Slide
Slide 6 - Slide
Slide 7 - Slide
Slide 8 - Slide
Slide 9 - Slide
What is iodine used to test for?
A
Fibres
B
Proteins
C
Starch
D
Lipids
Slide 10 - Quiz
Which colour will iodine turn if starch is present in the food sample?
A
Brick red
B
Blue-black
C
Purple
D
Cloudy white
Slide 11 - Quiz
Which reagent is used to test for starch?
A
Benedict reagent
B
Biuret reagent
C
Iodine solution
D
Ethanol
Slide 12 - Quiz
What would be the negative result of iodine test?
A
Purple
B
Blue-black
C
Cloudy white
D
orangy/brown
Slide 13 - Quiz
Which type of nutrient is starch?
A
Protein
B
Lipids
C
Fibre
D
Carbohydrates
Slide 14 - Quiz
Slide 15 - Slide
Slide 16 - Slide
What colour would it turn if lots of sugar is present?
A
Green
B
Blue
C
Orange
D
Brick red
Slide 17 - Quiz
What chemical is used to test for sugars?
A
Iodine
B
Biuret
C
Benedict
D
Ethanol
Slide 18 - Quiz
What would be the negative result if no sugar is present in the food sample?
A
Brick red
B
orange
C
Blue
D
Green
Slide 19 - Quiz
Slide 20 - Slide
What reagent/chemical is used to test for protein?
A
Benedict
B
Biuret
C
Iodine
D
Ethanol
Slide 21 - Quiz
Slide 22 - Slide
What colour would it turn if protein is present?
A
Brick red
B
Purple
C
Blue-black
D
Cloudy White
Slide 23 - Quiz
What colour would it be if no protein is present?
A
Blue
B
Green
C
Brick red
D
Cloudy white
