Sodium carbonate and Sodium chloride uses

Sodium carbonate

1. It is used in laundry as washing soda. In other words, sodium carbonate is used as a "cleaning agent" for domestic purposes. In fact, it is a component of many dry soap powders.

2. It is used for softening hard water.

3. It is used in the manuacture of many useful sodium compounds like caustic, soda, borax, glass and soap, etc.

4. It is used in the manufacture of paper.

5. It is a valuable laboratory reagent.

6. It is used as a standard base in acid base titrations, to standardise acid solutions.

Sodium chloride

1. It is an essential constituent of our daiy diet. So, it is used in the preparation of food items.

2. It is used as a starting material for the maufacture of many useful sodium compounds like caustic soda, washing soda and baking soda.

3. It is used to prepare hydrochloric acid which is used as an important chemical in chemical industries.

4. It is used to manufacture chlorine gas which is used as a bleaching agent. 

5. It is used in the manufacture of soap(during the salting out stage).

6. It is mixed with ice and used as a freezing mixture for producing very low temperature.

7. It is used as a preservative for meat and fish.