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Oxidation state of boron in Magnesium bo...

Oxidation state of boron in Magnesium boride

A

`-3`

B

`+3`

C

`+1`

D

`-1`

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AAKASH SERIES-ALKALINE EARTH METALS-OBJECTIVE EXERCISE - 2
  1. Which of the following about Be is not correct?

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  2. The following are some stements related to IIA group metals I) The r...

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  3. The correct order of ability to fom complexes

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  4. To a clear solution of compound (X), a solution of BaCl(2) is added an...

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  5. Ca, Sr and Ba generally form ionic compounds because of ?

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  6. Oxidation state of boron in Magnesium boride

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  7. BeCl(2)overset(‘x’)rarrBeH(2), Here 'X' is

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  8. Which of the following is a constituent of chewing gum ?

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  9. Which physical property is lower for alkaline earth metals as compared...

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  10. Which is soluble in water

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  11. In which of the following reactions Mg is not a reductant

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  12. Two metals (A) and (B) belongs to the same group of periodic table. Me...

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  13. Chemical A is used for water softening to remove temporary hardness. A...

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  14. Mg is an important component of which bio molecule occuring extensivel...

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  15. The carbonate having high decomposition temperature among the followin...

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  16. The most soluble hydroxide among the following is

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  17. X and Y are metal nitrates. X on heating liberafes O(2) only but Y on ...

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  18. Which of the following crystalline substance has the highest degree of...

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  19. Among the following which is extensively hydrated

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  20. CaCO(3).MgCO(3)overset(Delta)rarrX+Y+Z

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