NCERT Important Questions Class 10 Science
CBSE 2022-2023.
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
NCERT book extra.
In the experiment to show that ‘light is necessary for photosynthesis’, the reason for boiling the leaf in alcohol is to:
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Alcohol being organic solvent breaks membranes and dissolves chlorophyll so that
blue-black colour of starch-iodine complex is clearly noticeable.