Soap is ______?
Correct answer: D. Salt
- A. Acid
- B. Chemical
- C. Powder
- D. Salt
Explanation
Soap is chemically a salt formed from fatty acids and an alkali, such as sodium or potassium hydroxide. It is not itself an acid, although it is commonly sold as a solid or powder.
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About Chemistry in Daily Life
Chemical principles appear in acids, bases, salts, solutions, oxidation, combustion, corrosion and neutralisation, along with the composition and uses of common substances. Coverage includes soaps and detergents, fertilizers, medicines, food preservatives, polymers, fuels and water treatment, while distinguishing physical changes from chemical reactions.
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