Food Tests

Question 1

What indicator do you use to test for sugar?

Answer 1

You use benedict’s reagent to test for sugar.

Question 2

What indicator due you use to test for lipids?

Answer 2

You use ethanol to test for lipids.

Question 3

What indicator do you use to test for proteins?

Answer 3

You use biuret solution to test for proteins.

Question 4

What indicator do you use to test for starch?

Answer 4

You use iodine to test for starch.

Question 5

What does a positive result of starch look like?

Answer 5

If starch is present the solution will turn blue-black.

Question 6

What does a positive result of sugar look like?

Answer 6

If sugar is present the solution will turn from blue to brick red.

Question 7

What does a positive result of protein look like?

Answer 7

If protein is present the solution will change from blue to a purple or lilac colour.

Question 8

What does a positive result of lipids look like?

Answer 8

If lipids are present in the solution it will turn cloudy white.