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Acids, Bases and Salts

  • Acid: Turns blue litmus colour to red
  • Base: Turns red litmus colour to blue
  • Bases which are soluble in water are called alkalis. Example KOH, Mg(OH)2
  • Turmeric is a natural indicator
  • Reaction of acid with metals
  • In most cases, metals replace hydrogen from acids.

  • Metal oxide + Acid
  • Metal oxide + Acid → Sal…

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