Question
Which of the following substances is slightly acidic?
a
Pure distilled water
b
Soap
c
Baking soda
d
Tomatoes
a
Pure distilled water
b
Soap
c
Baking soda
d
Tomatoes
Answers
Answered by
GPT-5 mini
d. Tomatoes.
Explanation: Tomatoes contain organic acids (citric, malic) giving them a pH around 4–5 (slightly acidic). Distilled water is neutral (pH ≈7), soap and baking soda (sodium bicarbonate) are basic.
Explanation: Tomatoes contain organic acids (citric, malic) giving them a pH around 4–5 (slightly acidic). Distilled water is neutral (pH ≈7), soap and baking soda (sodium bicarbonate) are basic.