Required practicals

Question 1

Food tests: Test for sugar

Answer 1

.Prepare food sample and add to test tube
.Prep water bath at 75 degrees Celsius
.Add benedict’s solution to test tube 10 drops
.Leave in water bath for 5 mins and make sure its pointing away from you

Question 2

Results for Test for sugar

Answer 2

Blue green Yellow brick red
none low moderate lots

Question 3

Food tests: test for starch

Answer 3

.Add 5cm cubed of food sample to test tube
.Add iodine solution and gently shake

Question 4

Results for test for Starch

Answer 4

Brown/orange black blue/black
none low/moderate lots

Question 5

Food tests: Test for protein

Answer 5

.Add 2cm cubed of food sample to test tube
.Add 2cm cubed of biuret solution and gently shake

Question 6

Results for test for protein

Answer 6

Blue purple
none present