9th Standard English Medium Science Subject Chemical Bonding Book Back 3 Mark Questions with Solution Part - II

9th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 3 = 15
  1. NaCl4 is insoluble in carbon tetrachloride but soluble in water. Give reason.

  2. Write a note on different types on bonds?

  3. Draw the electron distribution diagram for the formation of Carbon di oxide (CO2) molecule.

  4. Identify the compounds as Ionic/Covalent/Coordinate based on the given characteristics.
    a. Soluble in non polar solvents -
    b. undergoes faster/instantaneous reactions -
    c. Non conductors of electricity -
    d. Solids at room temperature -

  5. Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.

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