Question

why safranin and glycerine is used in the experiment of temporary mount of a leaf peel to show stomata

Answer 1

Glycerin is used to remove the over stain of the leaf peal

Safranin is used to make the stomata of leaf peal visible clearly under microscope
Safranin is dark red in colour but ovet staining shoukd not be done

Answer 2

Answer:

Safranin and glycerine are used in leaf peel experiment to see the stomata clearly under the microscope.  

Safranin is used to peel off the upper layer of stomata and also to dye the layer purple to see it clearly under the microscope.

Glycerine is used to keep the stomata moisturized and wet so that the particle of stomata are easily visible.