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Which alkaline earth metal is radioactiv...

Which alkaline earth metal is radioactive in nature?

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Radium (Ra).
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)
  1. What are the ingredients of fusion mixture which is used in dry tests ...

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  2. Which is the most abundant alkaline earth metal in the earth's crust?

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  3. Which alkaline earth metal is radioactive in nature?

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  4. Name the metal of group-2 which is used to prepare Grignard reagent.

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  5. Name the element of group-2 which resembles lithium in characteristics...

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  6. Which alkaline earth metals do not impart any colour to the flame of a...

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  7. Name an alkaline earth metal compound which can be used as a portable ...

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  8. Which Gr-2 metal forms covalent compounds?

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  9. Which Gr-2 metal burns readily when exposed to air?

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  10. Which alkaline earth metal reacts with alkali to form hydrogen gas?

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  11. What is the composition of the alloy, electron?

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  12. Which reagent is used to analyse Ca^(2+) and Mg^(2+) ions quantitative...

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  13. What is the medicinal name of the aqueous solution of Mg(OH)2 ?

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  14. What is anhydrone?

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  15. How will you distinguish between BeSO4 & BaSO4 ?

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  16. Which out of MgCO3, SrCO3 and BaCO3, possesses highest thermal stabili...

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  17. Distinguish between Be(OH)2 and Ba(OH)2.

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  18. Why is BeCl2 soluble in organic solvent ?

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  19. Which Gr -2 metal carbonate is unstable in air ?

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  20. Which alkline earth metal sulphate is useful in diagonising stomach ul...

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