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