Question

In an experiment to prepare a temporaryount of leaf peel to show stomata ,why glycerin and safranin are used

Answer 1

glycerin is used to keep the mount wet and safranin is used to coluor the peel or mount so that it could be clearly viewed 

Answer 2

Safranin are used to stain the peel so that it can be easy to know the
different organelles of cell.
Glycerine is used to avoid dehydration of the specimen . It misturizes the onion peel or mount