Question

___________ helps to decolourise the leaves in starch test. ​

Answer 1

Answer:

Chlorophyll

Chlorophyll is a green pigment and so masks the colour change of the iodine test for starch. Chlorophyll needs to be removed from the leaf i.e. the leaf needs to be ' decolourized' for changes to be observed.

Explanation:

I hope it is helpful plz marks me as brainlieast and give me thanks at all my answers and follow me

Answer 2

Answer:

iodine is the answer