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11th Standard English Medium Chemistry Subject Creative 3 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. Calculate the equivalent weight of H3PO4 and Ca(OH)2 on the basis of given reaction.
    H3PO4 + NaOH \(\longrightarrow\) NaH2PO4 + H2O
    Ca(OH)2 + HCI \(\longrightarrow\) Ca(OH)CI + H2O

  2. In Rutherford's experiment, generally thin foil of heavy atoms, like gold, platinum etc. have been used to bombard the a-particles. If the thin foil of light atoms like aluminum is used, what difference would be observed from the above results?

  3. What are all the factors that influences electron gain enthalpy?

  4. What causes the temporary and permanent hardness of water?

  5. Explain the Castner-Kellner process of manufacturing sodium hydroxide.

  6. Define the Heat of Transition

  7. What is meant by boiling point and condensation point of the liquid?

  8. Graphically prove that Tb is greater than Tob

  9. Explain why BeH2 molecule has a zero dipole moment although the Be - H bonds are polar.

  10. Suggest and explain the method suitable to purify the organic compounds depending on their boiling points.

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