To Test For The Presence Of ____

Question 1

What solution(s) are used to test for the presents of a reducing sugar. 
And what colour does it change to when it is add to add to a reducing sugar and heated.

Answer 1

Benedicts (fehlings)

A reducing sugar turns benedicts (fehlings) a brick red colour when heated.

Question 2

What solution is used to test for the presence of protein

And what colour does it change to when protein is present

Answer 2

Sodium hydroxide

Purple.

Question 3

What solution is needed to test for the presence of starch

And what colour does it change to when starch is present.

Answer 3

Iodine iodine

From yellow brown to blue black