Washing soda, a white crystalline solid on heating becomes amorphous in nature. What is the type of reaction involved in the change?
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when washing soda was strongly heated, it loses all water of crystallization and become anhydrous sodium carbonate. The following reaction took place:
Na
2
CO
3
.10H
2
O
−9H
2
O
Δ
Na
2
CO
3
.H
2
O
−H
2
O
Δ
Na
2
CO
3
Thus when washing soda is heated it loses water vapour.
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