Chemistry
Grade-10
Easy
Question
Which of the following substances are not used for the preparation of baking soda?
- Ammonium bicarbonate
- Calcium Carbonate
- Sodium carbonate
- Sodium chloride
Hint:
Calcium is not an ingredient in the process of making baking soda.
The correct answer is: Calcium Carbonate
- The chemical name of baking soda is sodium bicarbonate.
- It is prepared as follows:
NaCl + H2O + CO2 + NH3 
NH4Cl + NaHCO3
- On heating baking soda
NaHCO3 Na2CO3 + CO2 + H2O
- Calcium carbonate is not used in the preparation of baking soda.
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