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How will you distinguish between: a. M...

How will you distinguish between:
a. Magnesium and strontium b. `K_(2)SO_(4) and BaSO_(4)`

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(a). When heated in the Bunshen flame, magnesium does not impart any colour, but stromntium gives crimson red colour to the flame.
(b). `K_(2)SO_(4)` is soluble in water, but `BaSO_(4)` is insoluble.
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CENGAGE CHEMISTRY ENGLISH-S-BLOCK GROUP 2 - ALKALINE EARTH METALS-Ex 5.1Subjective
  1. Give reason for, 'NaHCO(3) is known in solid state but Ca(HCO(3))(2) i...

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  2. Contrast the action of heat on the following with reason: a. Na(2)C...

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  3. Complete the following equations for the reaction between

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  4. The enthlpy of formation of hypothetical CaCl((s)) theoretically found...

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  5. Compare and contrast the chemistry of alkali metal with that of alkali...

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  6. What happens when:

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  7. Describe two important uses of each of the following: (i) caustic soda...

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  8. List the raw materials required in the manufacture of portland cement....

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  9. Name the chief forms of occurrence of magnesium in nature.

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  10. Commerical aluminium always contains some magnesium, name two such all...

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  11. Why is it that the s-block elements never occur free in nature? What a...

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  12. How will you distinguish between: a. Magnesium and strontium b. K(2)...

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  13. Give reasons for the following:

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  14. How is anhydrous magnesium chloride prepared from magnesium chloride h...

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  15. Give reasons for the following:

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  16. Lattice enthalpies of BeF(2),MgF(2),CaF(2) and BaF(2) are -2906,-2610,...

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  17. On treatment with cold water, an element (A) reacted quietly liberatin...

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  18. Give reasons for the following: a. Anhydrous calcium sulphate (anhyd...

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  19. What happens when: SO(2) is passed through limewater.

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  20. Give the chemical formula of the following: a. Plaster of paris, b. ...

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