Test for Glucose

Question 1

What is the purpose of food tests?

Answer 1

To test solutions made from foods

Question 2

What is the first step in testing for reducing sugar using Benedict’s solution?

Answer 2

Put about 5cm³ of food solution into a test tube

Question 3

What should be added to the food sample in the reducing sugar test?

Answer 3

5cm³ of Benedict’s solution

Question 4

What color indicates a negative result in the reducing sugar test?

Answer 4

Blue

Question 5

What indicates a positive result for glucose in the reducing sugar test?

Answer 5

Blue turns orange/red

Question 6

What color does the solution turn if there are only trace amounts of glucose present?

Answer 6

Green

Question 7

What is the next step after adding Benedict’s solution to the food sample?

Answer 7

Put the test tube into a beaker of hot water for a few minutes

Question 8

What does a negative result indicate in the reducing sugar test?

Answer 8

No color change