Food tests

Question 1

What is the chemical used in the test for starch?

Answer 1

Iodine Solution

Question 2

What is the chemical used in the test for protien?

Answer 2

Biuret Solution

Question 3

What is the chemical used in the test for sugar?

Answer 3

Benedict Solution

Question 4

What is the chemical used in the test for fats?

Answer 4

Ethenol

Question 5

What happens to the solution if starch is present?

Answer 5

orange to blue

Question 6

What happens to the solution if protien is present?

Answer 6

blue to lilac

Question 7

What happens to the solution if sugar is present?

Answer 7

blue to yellow/green

Question 8

What happens to the solution if fat is present?

Answer 8

a white emultion

Question 9

What happens to the paper if fat is present?

Answer 9

filter paper will have a translucent glow

Question 10

What is the method for testing for starch?

Answer 10

• crush up food
• place a little in a dimple tile
• add iodine solution
• record results

Question 11

What is the method for testing for protien?

Answer 11

• add food to test tube(add water if food is solid)
• add biuret solution
• shake
• record results

Question 12

What is the method for testing for sugar?

Answer 12

• crush up food (add water if necessary)
• add food to test tube
• add benedicts solution
• record results

Question 13

What is the methods for testing for fats?

Answer 13

method 1:

• crush food
• add solution
• shake

Method 2:
-rub food filter paper