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Write any four physical properties of acids.
 
Properties of acids:
  • Acids are in taste.
  • They have corrosive properties. Strong acids can damage materials such as human skin, clothing, and paper.
  • Acids are most commonly found in  form.
  • Acids are .
  • Acids change the colour of indicators. Blue litmus paper is turned red and methyl orange is turned  pink when treated with acids.