What happens when Sodium bicarbonate is heated?
Answers
Explanation:
Sodium hydrogen carbonate (also known as sodium bicarbonate or bicarbonate of soda) has the chemical formula NaHCO3. When it is heated above about 80°C it begins to break down, forming sodium carbonate, water and carbon dioxide. This type of reaction is called a thermal decomposition.
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Answer:
When Sodium bicarbonate is strongly heated it decomposes to carbon dioxide, water vapour and sodium carbonate.
The reaction is:-
2 NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g)
↪Carbon dioxide production from exposure of sodium bicarbonate to heat starts at temperature above 80°C .
↪Thermal decomposition of sodium bicarbonate produces sodium carbonate, which is strongly alkaline.
↪Here the solid sodium carbonate is a white powder, which is used as "baking powder ".
Whereas sodium bicarbonate is used as "baking soda ".
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