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12th Standard English Medium Chemistry Subject Creative 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 20
    10 x 2 = 20
  1. What is meant by concentration?

  2. Mention the physical properties of boranes.

  3. Elements of group 16 show lower value of first ionization enthalpy compared to group 15, why?

  4. Why lanthanoids are called f block elements?

  5. Write the IUPAC name of the complex.

  6. What type of defect can arise when a solid is heated? Which physical property is affected by it and in what way?

  7. The decomposition reaction of ammonia gas on platinum surface has a rate constant R = 2.5 x 10-4mol L-1. What is the order of the reaction.

  8. Define neutralisation reaction.

  9. Two electrodes having cross sectional area of l A and are separated by a distance l. What is the ratio of length by area called?

  10. What is a dispersed phase and a dispersion I medium in a colloid?

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