What do bases have in common?

CBSE Class 10 CBSE Class 10 Science
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Common characteristics of acids :

  1. Bitter in taste.
  2. Soapy to touch.
  3. Turn red litmus to blue colour.
  4. On heating decompose into metal oxides and water.
  5. React with acids to form salt and water.
  6. Produce ${{OH}^{-}}$ ions in aqueous solution.