Chemistry Fill in the blanks Set 30

Chemistry Fill in the blanks Set 30

1. The Compounds separated and purified by crystallisation can be dried by keeping in sunlight (or) by using infra-red light over
 
2. Camphor can be purified by the process of sublimation.
 
3. In simple distillation the compounds should not decompose at ordinary pressure
 
4. Water insoluble compounds can be purified by steam distillation .
 
5. In T.L.C the stationary phase is a thin layer of silica gel or alumina on a glass plate.
 
6. Chromatographic technique was first introduced by M.S.Tswett .
 
7. In paper chromatography, the mobile phase travels by capillary action through the paper.
 
8. The adsorbent used in column Chromatography method is alumina (or) MgO (or) silica gel (or) starch.
 
9. In Chromatographic technique, the separation of compounds are brought about by differential movement of the compounds.
 
10. Paper Chromatography is partition Chromatography.