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11th Standard English Medium Chemistry Subject Alkali and Alkaline Earth Metals Creative 5 Mark Questions with Solution Part - II Question Bank Software Jun-25 , 2021

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11th Standard English Medium Chemistry Subject Alkali and Alkaline Earth Metals Creative 5 Mark Questions with Solution Part - II

11th Standard English Medium Chemistry Subject Alkali and Alkaline Earth Metals Creative 5 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25

  1. Illustrate the role of sodium and potassium in biological fluid

  2. How is sodium hydroxide prepared commercially from brine solution?

  3. Compare the properties of beryllium with other elements of the same group.

  4. Explain the preparation and uses of the following compounds of calcium.

  5. When water is added to compound (A) of calcium, compound B is formed with a hissing sound and evolution of large amount of heat. When CO2 is passed into the solution, it turns milky due to the formation of compound C. If excess CO2 is passed into the solution, milkiness disappears due to the formation of compound (D). Identify the compounds A, B, C and D. Explain why the milkiness disappears in the last step.

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