What will be the action of the following substances on litmus paper? Dry HCl gas, Moistened NH3 gas, Lemon juice, Carbonated soft drink, Curd, Soap solution.


  • Dry HCl gas- No effect
  • Moistened NH3 gas- Turns litmus paper to blue colour
  • Lemon juice- Turns litmus paper to red colour
  • Carbonated soft drink- Turns litmus paper to blue colour
  • Curd- Turns litmus paper to red colour
  • Soap solution- Turns litmus paper to blue colour

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Simply Easy Learning

Updated on: 10-Oct-2022

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