Here’s a explanation:
Acids
- Give H⁺ ions in water.
- Taste sour.
- Turn blue litmus red.
- Examples: HCl, H₂SO₄, lemon juice.
Bases
- Give OH⁻ ions or accept H⁺.
- Taste bitter.
- Turn red litmus blue.
- Feel soapy.
- Examples: NaOH, KOH, soap.
In short:
Acids are sour and give H⁺; bases are bitter, slippery, and give OH⁻.