Question

4.Carbohydrates can be tested by using *

Caustic Soda
Iodine
Copper sulphate
fehling Solution​

Answer 1

Answer:

copper sulphate

Explanation:

Test for Starch

1. Test for starch is done to know if the food has carbohydrates.

2. When drops of copper sulphate are applied to food, a blue-black colour shows the presence of starch (carbohydrates).

Answer 2

Answer:

iodine solution...

Explanation:

in the presence of starch iodine turns blue black colour and hence possible to distinguish starch from glucose