Single Answer MCQ
Q-00040048
In soap-making, which substance is commonly used as a base?
1
Vinegar
2
Sodium hydroxide
3
Ethanol
4
Baking soda
Answer and Solution
Answer
B. Sodium hydroxide
Solution:
Sodium hydroxide (NaOH) is commonly used as a base in soap-making because it saponifies fats and oils to produce soap.
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