📝 Multiple Choice Question
General-science
Which of the following raw materials is NOT used to prepare the baking soda?
A
NH3
B
Na2CO3
C
NaCl
D
H2O
Explanation
In the historical Solvay process, the raw materials used to synthesize baking soda (sodium bicarbonate) are sodium chloride, water, carbon dioxide, and ammonia. Sodium carbonate (Na2CO3) is a subsequent product formed later by thermally decomposing the baking soda, not a starting raw material.
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