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The element which shows radioactivity is...

The element which shows radioactivity is

A

Mg

B

Sr

C

Ba

D

Ra

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PATHFINDER-S-BLOCK ELEMENTS AND THEIR COMPOUNDS, HYDROGEN AND ITS COMPOUNDS-QUESTION BANK
  1. Comment on the structure of water molecule

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  2. IE values of alkaline earth metals are

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  3. The element which shows radioactivity is

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  4. Which of the following metal carbonates is decomposed on heating ?

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  5. When sodium is added in water,it catches fire. Name the gaseous produc...

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  6. Stable oxide is obtained by heating the carbonate of the element

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  7. The chloride that can be extracted with ether is

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  8. Which of the following is the strongest base ?

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  9. Anhydrous MgCl2 may be obtained by heating MgCl2. 6H2O

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  10. Among the following hydroxides, the one which has the lowest value of ...

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  11. Halides of alkaline earth metals form hydrates such as MgCl2. 6H2O, Ca...

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  12. Which of the following gives propyne on hydrolysis ?

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  13. EDTA is used in the estimation of

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  14. Yoverset(Delta,205^@C)larrCaSO4.2H2Ooverset(Delta,120^@C)rarr X.X and ...

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  15. BeCl2+LiAlH4rarrX+LiCl+AlCl3

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  16. The incorrect statement is

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  17. The order of solubility of lithium halides in non-polar solvents follo...

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  18. A metal M readily forms water soluble sulphate, and water insoluble hy...

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  19. If A is the metallic salt, them the white ppt. of D must be of

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  20. A metal X on heating in nitrogen gas gives Y, Y on treatment with H2 O...

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