Testing For Certain Thingsin Our Food

Question 1

What is the test we use for fat called?

Answer 1

Ethanol and water

Question 2

What is the test we use of protein called?

Answer 2

Biurets solution

Question 3

What is the test for use for sugar called?

Answer 3

Benedicts solution

Question 4

What is the test we use for starch called?

Answer 4

Iodine

Question 5

How do we test for fat?

Answer 5

Dissolve substance in water, then add ethanol and dribble into water

Question 6

If there is fat found in a substance, what colour will it turn and what will it start at?

Answer 6

It will go from clear to cloudy

Question 7

How do you test for protein in substances?

Answer 7

Dissolve your substance in water, add the biuret solution, which is dilute alpine, copper sulphate

Question 8

Is there a protein found in the substance what will the colour start as and what will it turn into?

Answer 8

If there is protein found in the substance, it would turn from blue to purple

Question 9

How do we test for sugar in substances?

Answer 9

We would dissolve our substance in water, and then add Benedicks solution, which is copper sulphate + glucose

Question 10

Is there a sugar found in the substance what colour will it start as and what colour will it turn into?

Answer 10

It would turn from blue to brick red

Question 11

How do we test for starch in substances?

Answer 11

We would dissolve our substance in water and then add iodine solution and starch

Question 12

If there is starch found in our substance, what colour will it start as and what colour would it turned into?

Answer 12

It would start of orange brown and it would turn into blue black.