Linked from
The 23 pages that link to Acid, each with the reason it gives.
pHNarrower topic: Acids increase hydrogen-ion activity in water and generally lower pH.
Acid–base reactionNarrower topic: An acid is one of the two reacting roles in acid–base chemistry.
Hydrogen chlorideNarrower topic: Hydrogen chloride acts as a proton donor when it reacts with water.
Acid anhydrideNarrower topic: Acid anhydrides are named for their ability to generate acids.
Methyl orangeNarrower topic: Acids protonate the indicator and produce its red form.
Mineral acidNarrower topic: Mineral acids belong to the broader class of acids.