Term 2 Acids, Bases and Salts Three Marks Questions

9th Standard

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. What are organic acids? Given examples?

  2. How are acids classified based on ionisation? Give examples

  3. What is Aquaregia? Mention its uses

  4. What does acidity of base mean?

  5. What is Potash alum? Write its formula

  6. What are double salts? Give an example?

  7. What are basic salts? Give suitable reaction for this

  8. Why are tooth pastes basic?

  9. What is water of crystallisation?

  10. Why do blue colour copper sulphate becomes white on heating?

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