Saved Bookmarks
| 1. |
Materials( in Plants?Balanced3 How caustic soda obtained ? Mention its uses Equipon4 HOW es plaster of Paris prepared2 write the reaction |
|
Answer» Answer: 3 How caustic soda obtained ? Mention its uses Equipon? ANS: Caustic Soda Lye is one of the most widely USED chemicals in the industry. ... The main applications are water treatment and water PURIFICATION, as cleaning agent, or a wide range of usesin chemical industry like starch production or for the desulphurization in the petrochemical industry. 4 HOW es plaster of Paris prepared2 write the reaction ? Ans: Plaster of Paris is prepared by HEATING gypsum at 373 K. On heating, it loses water molecules and becomes CALCIUM sulphate hemihydrate (CaSO4. 1/2 H2O) which is called Plaster of Paris. |
|