Question

write the method of preparation of common salt caustic soda baking powder and washing soda with equation​

Answer 1

Answer:

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Explanation:

SODIUM CARBONATE OR WASHING SODA - DEFINITION

Formula: Na

2

CO

3

Properties:

Sodium carbonate is a white crystalline solid, which can exists as anhydrous salt (Na

2

CO

3

), monohydrate salt (Na

2

CO

3

.H

2

O), heptahydrate salt (Na

2

CO

3

.7H

2

O) and decahydrate (Na

2

CO

3

.10H

2

O - washing soda). Sodium carbonate is readily soluble in water. On heating, the decahydrate salt gradually loses water and finally give anhydrous salt (Na

2

CO

3

- soda ash).