9
QuizMultiple Choice

Properties of Acids and Bases

Question 9 • AA-F26 Physical Science

Which substance is an acid?

Answer
A
LiOH
B
Mg(OH)2
C
CH3COOH
D
NaCl

Explanation

Acids commonly contain hydrogen that can be released as H⁺ in water. CH₃COOH is acetic acid, while LiOH and Mg(OH)₂ are bases because they contain OH⁻, and NaCl is a salt. Therefore, the acid is CH₃COOH.

AI-written and checked against the verified answer.

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