Acids
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Questions and Answers

What remedy would you suggest for a problem of acidity after overeating?

  • Baking soda solution (correct)
  • Vinegar
  • Orange juice
  • Lemon juice

What is the taste of acids and their effect on litmus paper?

  • Sweet, turns blue litmus paper to red
  • Sour, turns blue litmus paper to red (correct)
  • Sour, turns red litmus paper to blue
  • Bitter, turns blue litmus paper to red

What is the taste of bases and their effect on litmus paper?

  • Sour, turns red litmus paper to blue
  • Bitter, turns blue litmus paper to red
  • Sour, turns blue litmus paper to red
  • Bitter, turns red litmus paper to blue (correct)

What natural indicator is mentioned in the text apart from litmus?

<p>Turmeric (B)</p> Signup and view all the answers

What causes a stain of curry on a white cloth to become reddish-brown?

<p>Soap (C)</p> Signup and view all the answers

What is the taste of acids and their effect on litmus paper?

<p>Sour; change blue litmus to red (C)</p> Signup and view all the answers

What is the taste of bases and their effect on litmus paper?

<p>Bitter; change red litmus to blue (C)</p> Signup and view all the answers

What happens to a stain of curry on a white cloth when soap, which is basic in nature, is scrubbed on it?

<p>Turns yellow (A)</p> Signup and view all the answers

What would you suggest as a remedy for a problem of acidity after overeating?

<p>Baking soda solution (D)</p> Signup and view all the answers

What is the property used to choose a remedy for acidity after overeating?

<p>Ability of acids and bases to nullify each other’s effect (D)</p> Signup and view all the answers

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