Food Tests

Question 1

To test for fats what solution do you add

Answer 1

Ethanol

Question 2

To test for carbohydrates what solution do you add

Answer 2

Iodine

Question 3

To test for proteins what solution do you add

Answer 3

Biuret

Question 4

To test for sugared what solution do you add

Answer 4

Benedict’s

Question 5

What is Benedict’s solution

Answer 5

Copper sulfate and sodium hydroxide

Question 6

F fats test - what colour to the solutions change from and to

Answer 6

From clear to cloudy

Question 7

Carbohydrates test - what colour to the solutions change from and to

Answer 7

Brown to blue/black

Question 8

Sugars - what colour to the solutions change from and to

Answer 8

Blue to - green, yellow, orange, brick red

Question 9

How come the sugars test it could turn multiple colours

Answer 9

Depending on how concentrated the sugar is

Question 10

Proteins - what colour to the solutions change from and to

Answer 10

Blue to lilac

Question 11

What are the steps to the food test

Answer 11

Grind
Add some water
Transfer to test tube
Add solution
Record colour results