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Guess Paper / Important Questions of Chemistry for 9th Class / SSC-I for Federal Board (FBISE) Islamabad

Guess Paper / Important Questions of Chemistry (For Arts Students) for 9th Class / SSC-I for Federal Board (FBISE) Islamabad.

Important Questions of Chemistry (9th Class):

  • What was the concept of Empedocles and Aristotle regarding matter.
  • Differentiate between Empirical Formula and Molecular Formula.
  • Define Free Radical and Formula Unit.
  • Write the Formation of NA+ ion.
  • Explain Auf Bau Principal.
  • Write down the electronic configuration of Potassium 19K39.
  • Explain Rutherford Experiment and discovery of nucleus. Also write its defects.
  • Write down the uses of Iodine-131, Iodine-123, Cobalt-60, Carbon-14 and Sulphur-35.
  • What is the difference and similarity between 17Cl35 and 17Cl37.
  • Write down the postulates of Bohr's atomic theory.
  • Why "Na" has higher ionization energy than "K"?
  • Write down the valance shell electronic configuration of Alkali Metals, Alkaline Earth Metals, Halogens and Nobel Gases.
  • Explain Normal and Transition elements with examples.
  • Write down the concept of Newland's and Mendeleev.
  • Explain Periodicity of Properties.
  • What is Shielding Effect. Write down its trend in periodic table.
  • What is Ionization Energy. Write down its trend in periodic table.
  • What is Electron Affinity. Write down its trend in periodic table.
  • What is Electro-negativity. Write down its trend in periodic table.
  • State Octet and Duplet Rules.
  • How does Al form cations?
  • How does O form anions?
  • Draw the Electron Dot and Electron Cross structure of H2O.
  • Write down the types of covalent bond with examples.
  • Explain the formation of Sr+2 and Ba+2.
  • Write equations with dot and cross structures of i) K and Cl ii) Al and N
  • Is there a need for more adhesives? What is the importance of glues and adhesives?
  • Why do the atoms react together and how?
  • What is hydrogen bonding? Explain dipole dipole interactions.
  • Is evaporation a cooling process?
  • Differentiate between diffusion and effusion.
  • Define and explain Boyle's Law and Charles Law.
  • When you put nail polish on your palm, you will feel a sensation of coldness. Why?
  • Write down the names of allotropic forms of sulphur.
  • Explain Redox reaction in photography.
  • What are uses of Down's cell and Nelson's cell?
  • Write process of electrolytic refining of copper.
  • Differentiate between Electrolytic cell and Galvanic cell.
  • Write down the importance of Mg.
  • What do you know about application of platinum.
  • What is Aqua Regia?
  • Why it is advised not to pick Sodium metal with fingers?
  • Can Iodine displaces Cl2 or Br2 from their salts?
  • Why non-metals are electro-negative in nature?
  • Write about the Strontium-90.
  • What do you know about Inertness of Nobel Gases?
  • What is Rolled Gold?
  • What do you know about halogens?
  • What are hallides?
  • Explain Saturated, unsaturated and super saturated solutions.
  • What do you know about Ozone?
  • Define Alloys.
  • Define Molarity.
  • Write the usage of Potassium dichromate (K2Cr2O7)
  • What is Colloid and Suspension

Important Numericals/Written Work of Chemistry (9th Class):


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Guess Paper / Important Questions of Chemistry for 9th Class / SSC-I for Federal Board (FBISE) Islamabad

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Guess Paper / Important Questions of Chemistry for 9th Class / SSC-I for Federal Board (FBISE) Islamabad
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