Question

In the experiment to test the presence of starch, Why is the leaf dipped in alcohol not heated directly. *
1 Alcohol is acidic in nature
2 Alcohol is basic in nature
3 For better heating
4 Alcohol is flammable

Answer 1

Answer:

Alcohol is flammable I am not sure

Answer 2

Answer:

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$<font color= "Black"> The green leaf is boiled in alcohol not directly heated on flame during the testing for starch. This is because heating the green leaf directly on the flame, or boiling it in water will kill the leaf as the direct heat will damage the cells of the leaf. On the other hand, boiling the leaf in alcohol only causes the chlorophyll to break down, and the leaf gets decolourised as it loses its green colour. Then the leaf can be tested for presence of starch.</p><p></p><p>Read more on Brainly.in - https://brainly.in/question/3911879#readmore$

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