Uses of salt

The presentation contains a list of salts along with its common name and uses. The content is prepared in accordance with the topic of class 9 chemistry chapter Acid, bases and salts.

1. Class : IX C D a t e : 4 / 1 2 / ' 1 9

2. Content 1. SODIUM CHLORIDE 2. POTASSIUM CHLORIDE 3. COPPER SULPHATE 4. SODIUM BICARBONATE 5. SODIUM CARBONATE 6. CALCIUM SULPHATE

3. 1.Sodium chloride Known as TABLE SALT 2 Na + Cl 2 . -------------> NaCl

4. Uses : Making a freezing mixture. Preparation of sodium. Used as Cooking salt. For cleaning and stain removal.

5. 2. Potassium chloride Known as SYLVINE or MURIATE OF POTASH. 2 K + Cl 2 ----------> 2 KCl

6. Uses: For the manufacture of potassium. Used as a fertilizer. Used in medicine.

7. 3. Copper sulphate Known as BLUE VITRIOL. C u S O 4 + H 2 O - - - - - - - - > C u S O 4 . 5 H 2 O

8. Uses: U sed as a fertilizer additive. Used in textile dyeing. Antidote in Phosphorous poising.

9. 4. Sodium bicarbonate Known as BAKING SODA. N a C l + H 2 O + C O 2 + N H 3 - - - - - - - - > N H 4 C l + N a H C O 3

10. Uses: Used in preparing cakes. Used as antacid. Used as a silver polish. F or m a king s m a ll f i r e e x t inguisher .

11. 5. Sodium carbonate Known as WASHING SODA. N a 2 C O 3 + 1 H 2 O - - - - - - - > N a 2 C O 3 . 1 H 2 O

12. Uses: Used in making soap and washing powder. Used in paper glass factory. Manufacture of paints. Used for removal of permanent hardness of water.

13. 6. Calcium sulphate Known as GYPSUM. H 2 S O 4 + C a C O 3 + H 2 O - - - - - - - > C a S O 4 . 2 H 2 O + C O 2

14. Uses: Used in making Plaster of Paris. Used in medical sector. Used in improving soil quality.

15. Activity time All in one – portfolio……

16. R e v i ew W h a t is the c o m m on n a me f o r s o d i um b icarbonate ? S t a t e t w o u s e s o f g y p sum . W h a t is the c h e m i cal f o rmula for w a s h i ng s o da ? S m a ll f i r e e x t inguisher c a n b e m a d e o u t f r om w h i ch s a l t ?

17. E x t e n d ed l e a r ning a c t ivity ( Q) Match the f o l lowing S a l t C h e m i cal f o rmula U s e W a s hing s o da C u S O 4 . 5 H 2 O F i r e e x t inguisher G y p sum N a H C O 3 F u n g i cide B l u e v i t r i ol N a 2 C O 3 . 1 H 2 O M a n u f acture of c e m ent B a k i ng soda C a S O 4 . 2 H 2 O M a n u facture of g l a ss