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Download free Chemistry Notes 9th Class


Updated: 13 Aug 2019

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Chemistry Notes pdf

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These notes are according to the syllabus of KPK text book. Other board notes will also be uploaded time to time.

Chemistry Notes for Class 9

Unit # 1 Fundamentals of Chemistry

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Chemistry Class 9 Chapter 1 MCQs/ SLO Based

Unit # 2 Structure of an Atom

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Chemistry Class 9 Chapter 2 MCQs/ SLO Based

Unit # 3 Periodic Table and Periodicity of Properties

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Chemistry Class 9 Chapter 3 MCQs/ SLO Based

Unit # 4 Structure of Molecules

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Chemistry Class 9 Chapter 4 MCQs/ SLO Based

Unit # 5 Physical Properties of Matter

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Chemistry Class 9 Chapter 5 MCQs/ SLO Based

SLOs Short Questions Ch #1 to 5

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Unit # 6 Solutions

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Chemistry Class 9 Chapter 6 MCQs/ SLO Based

Unit # 7 Electrochemistry

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Chemistry Class 9 Chapter 7 MCQs/ SLO Based

Unit # 8 Chemical Reactivity

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Chemistry Class 9 Chapter 8 MCQs/ SLO Based

Class 9 Other Subjects

Chapter No. 1 Important Questions

Chapter # 1
Important Board Questions from 2009 to 2019

  1. State and explain the main branches of chemistry.
  2. Define Chemistry and its Four branches of chemistry
  3. Analytical, Bio chemistry and inorganic chemistry
  4. Chemistry and contribution of Jabir IbnHayan in the field of chemistry.
  5. Elements and compound with examples.
  6. Differentiate element, compound and mixture with examples
  7. Mixture and its types
  8. What do you meant by atomic number? Give example.
  9. Atomic number and mass number with example
  10. What is atomic number of an element? How it differ from the mass number?
  11. Chemical formula and empirical formula by giving examples.
  12. Empirical and Molecular formula with examples.
  13. Empirical and Molecular formula of a compound
  14. Steps for determination of Empirical formula of a compound.
  15. Molecular mass and formula mass with examples.
  16. Gram atomic and gram molecular mass with examples.
  17. Free radical with example
  18. Difference between atom and ion
  19. What is Hydrated ions?
  20. Differentiate between homogeneous and heterogeneous mixture.
  21. What is Percentage composition?
  22. Classification of molecules with examples
  23. Mole and Avogadro’s number with examples.
  24. Molecular mass of a compound. How will you differentiate it from formula mass?
  25. Give reasons to prove that atom is a neutral particle
  26. How does molecule differ from an atom?
  27. Why alloys are mixture but not compound?
  28. NaCl is not a molecule but a formula unit. Why?
  29. How many moles of CO2 are present in 60g of CO2?
  30. What is the mass of 5 moles of ice?
  31. Calculate the molecular mass of Glucose
  32. Calculate the molecular mass of sugar.
  33. Calculate the molecular mass of HNO3
  34. Calculate the number of moles in 550 grams of NaI
  35. Calculate the moles in 10 grams of CO2
  36. How many moles of H2O are present in 36gm of H2O?
  37. How many moles are of CO2 are there in 7.5×1024 molecules of the gas.
  38. Calculate the number of molecules present in 5 moles of Glucose
  39. Molecular mass of (atomic mass , )
  40. How many moles of hydrogen are there in 8.9×1023 hydrogen atom?
  41. Calculate the number of molecules of 31.96 gm of oxygen atom
  42. Find the number of protons, electrons and protons and neutrons in ,

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