Question

Why glycerine is added to onion peel

Answer 1

We use glycerin for mounting the onion peel for the following reasons: ... As the refractive index of glycerin is 1.473 and it it tends to reflect ,light so the specimen kept looks clear under the microscope. 4. Glycerin is also used to expel air bubbles which can be found between slides.

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Answer 2

to keep the onion peel   wet

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