1. Describe three ways in which colorless compounds can be located on a TLC plate.
2. Why should a TLC plate be removed from the solvent before the solvent front reaches the top
of the plate ?
3. The separating power or activity of a TLC plate is increased by heating the plate in an oven
@ 100oC. Why ?
4. Why should the developing chamber for a TLC plate not be open to the atmosphere ?