9.Harish wants to test the presence of starch in a leaf. Given below are the instructions to
conduct the experiment. Which of the following step is not necessary?
A) Boil the leaf first in water and then in alcohol.
B) Wash the bleached leaf.
C) Heat the leaf on a hot flame.
D) Add a few drops of iodine solution to the bleached leave.
Answers
Answered by
8
Answer:
the answer of this question is option A/D
Answered by
7
Answer:
heat the leaf on hot flame ....... unnecessary
Explanation:
you need the first step for bleaching the leaf and the second for cleaning
and the last for checking for starch
but the step 'C' is not needed as it can burn the leaf
mark brainliest pls>>>>/////
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