Digestion And Diet

Question 0

What’s the test for starch

Answer 0

Turns IODINE SOLUTION from ORANGE to BLUE/BLACK

Question 1

What are the two types of carbohydrate you can test for?

Answer 1

Starch and glucose.

Question 2

What is the test for glucose?

Answer 2

Warm with BENEDICT’S SOLUTION goes from BLUE to BRICK RED.

Question 3

What’s the test for lipids?

Answer 3

1. ) MASH UP food
2. ) add to BOILING TUBE
3. ) add ETHANOL
4. ) settle for 1 MINUTE
5. ) fill ANOTHER BOILING TUBE 1/2 with COLD water
6. ) POUR the ethanol MIXTURE gently onto the COLD water
7. ) a WHITE PEARLY EMULSION forms where the 2 liquids meet.

Question 4

What’s the test for proteins?

Answer 4

Add to the CRUSHED FOOD; SODIUM HYDROXIDE solution, add COPPER SULPHATE solution. Over 5 MINUTES a deep purple colour develops.