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11th Standard English Medium Chemistry Subject Alkali and Alkaline Earth Metals Book Back 2 Mark Questions with Solution Part - I Question Bank Software Jun-07 , 2021

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11th Standard English Medium Chemistry Subject Alkali and Alkaline Earth Metals Book Back 2 Mark Questions with Solution Part - I

11th Standard English Medium Chemistry Subject Alkali and Alkaline Earth Metals Book Back 2 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. Explain what is meant by efflorescence.

  2. Substantiate lithium fluoride has the lowest solubility among group one metal fluorides.

  3. Beryllium halides are Covalent whereas magnesium halides are ionic why ?

  4. An alkali metal (x) forms a hydrated sulphate, X2SO4 • 10 H2O. Is the metal more likely to be sodium (or) potassium.

  5. Why alkaline earth metals are harder than alkali metals.

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