What is the principle of Benedict's test? When Benedict's solution and simple carbohydrates are heated, the solution changes to orange red/ brick red Changes in the solution are caused by the reducing...

What is the principle of Benedict's test?

1. 
   
   When Benedict's solution and simple carbohydrates are heated, the solution changes to
   
   orange red/ brick red
   


2. 
   Changes in the solution are caused by the reducing property of simple carbohydrates.
   


3. 
   
   Formation of a reddish precipitate within three minutes means presence of reducing
   
   sugars like glucose.
   


4. 
   Benedict's solution can be used to test for the presence of glucose in urine.
   

a. 1 and 2 are correct

b. 3 and 4 are correct

c. all are correct

d. all are incorrect