Question

(1) How would you check the presence of starch in leaves?

(2) Nehabhabhi takes two types of fiber, natural and synthetic. She does not know which one

is natural fiber and which is synthetic fiber. Which activity you will suggest to identify the

fibers?​

Answer 1

Answer:

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Explanation:

Starch testing

Iodine solution is used to test leaves for the presence of starch. You need to: heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour)

What's the difference between natural and synthetic fabrics? Natural fabrics, like merino wool, cotton, cashmere, and silk, are made of fibers that are produced by animals and plants. Synthetic fabrics, like polyester, nylon and acrylic, are "man-made" fibers that are created in laboratories.

Answer 2

Answer:

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