Question

Q29 Why do we perform starch test?​

Answer 1

Answer:

By performing the iodine test

Explanation:

If it turns blue than it contains starch otherwise it has no starch.

Answer 2

Answer:

We perform starch test to check whether starch content is present in a sample

A chemical test for starch is to add iodine solution (yellow/brown) and look for a colour change. In the presence of starch, iodine turns a blue/black colour. It is possible to distinguish starch from glucose (and other carbohydrates) using this iodine solution test.