Which of the following is considered acidic?
Lime water
Soap
Ammonia
Vinegar
Vinegar
Among the given options, vinegar is considered acidic.
To determine which of the following substances is considered acidic, you can perform a simple test using pH indicators or knowledge of their chemical composition.
1. Lime Water: Lime water, also known as calcium hydroxide, is an alkaline compound, so it is not considered acidic.
2. Soap: Soap is generally pH neutral or slightly alkaline, so it is not considered acidic.
3. Ammonia: Ammonia is a basic compound, so it is not considered acidic.
4. Vinegar: Vinegar is produced through the fermentation of ethanol by acetic acid bacteria. It contains acetic acid, which makes it acidic. Therefore, vinegar is considered acidic.
Therefore, the substance considered acidic from the given options is vinegar.