Food Test And Labels

Question 1

Starch is tested for with what and how

Answer 1

Iodine
Add drops of iodine, to solid or liquid placed on a spotting tile 

Question 2

A positive start h test will go from
To.

Answer 2

Yellow/brown to blue/black

Question 3

Sugar is tested for with what and how

Answer 3

Benedict’s
Crush food with water and a pestle and mortar.add extract to boiling tube. Add 2 cm³ of Benedict Regent.put in hot bath for 2 to 3 minutes. 

Question 4

A positive sugar result goes from
To

Answer 4

Blue to Green to brick red

Question 5

When testing for protein you use what and how

Answer 5

Biuret
Crush food with water and pestle and mortar add to boiling tube. Add 1 cm³ are sodium hydroxide and copper sulfate shake gently. 

Question 6

When testing for fat you use what and how

Answer 6

There’s two ways
First emotion test this is when you crush food with ethanol in a pestle and mortar add extract to boiling tube fill second boiling tube with cold water pour extract into second boiling tube
The second way is to rub food on the surface of absorbent paper, e.g. (filter paper)

Question 7

What are positive results for fat

Answer 7

The first one will leave a white emotion at the top of the boiling tube
And translucent steam will be left on the filter paper for the second one

Question 8

What do être red orange and green show on a food label

Answer 8

Whether he product is high medium or low in fat sugar saturates or salt

Question 9

What is the percentage at the bottom of a food label for

Answer 9

Guideline daily amount for an adult

Question 10

Energy on packet is for

Answer 10

The calories contained in