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1-*aCidS: Compounds that dissolve in water (aqueous solutions) to give hydrogen ions (H+ ). *Hydrogen ions are also known as protons that’s why acids are called proton donors. e.g.: hydrochloric acid HCl in water the molecules break down/ ldissociate into ions (which is similar to all acids). *Solution of acids contain hydrogen ions which: 1. Sour taste. 2. Has corrosive effect. 3. pH is less than 7. 4. Turns litmus paper red. Common Acids:
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