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Moissan boron is...

Moissan boron is

A

95-98% pure amorphous born

B

75-78% pure amorphous boron

C

95-98% pure crystalline boron

D

75-78% pure crystalline boron

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NARAYNA-13TH GROUP ELEMENTS-Comphensive Type Question
  1. Moissan boron is

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  2. Ca(2)B(6)O(11) + NA(2)CO(3) overset("Fusted")rarr(A) + (B) + CaCO(3) ...

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  3. Observe the following reaction sequence carefully and answer the quest...

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  4. Observe the following reaction sequence carefully and answer the quest...

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  5. Observe the following reaction sequence carefully and answer the quest...

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  6. Borax is actually made of two tetrahedral and tetrahedral and two tria...

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  7. Borax is actually made of two tetrahedral and tetrahedral and two tria...

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  8. Borax is actually made of two tetrahedral and tetrahedral and two tria...

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  9. Borax is formulated as Na(2)[B(4)O(5)(OH)(4)].8H(2)O. On the basis i...

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  10. Borax is formulated as Na(2)[B(4)O(5)(OH)(4)].8H(2)O. On the basis i...

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  11. Borax is formulated as Na(2)[B(4)O(5)(OH)(4)].8H(2)O. On the basis i...

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  12. Diborane (B(2)H(6)) on heating with NH(3) at 450 K produce a compound ...

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  13. Diborane (B(2)H(6)) on heating with NH(3) at 450 K produce a compound ...

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  14. Diborane (B(2)H(6)) on heating with NH(3) at 450 K produce a compound ...

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  15. A white precipitate (X) is formed when a mineral (A) is boiled with Na...

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  16. A white precipitate (X) is formed when a mineral (A) is boiled with Na...

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  17. A white precipitate (X) is formed when a mineral (A) is boiled with Na...

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  18. Alums having the general formula M(2)SO(4).M(2)^(1)(SO(4))(3).24H(2)O ...

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  19. Alums having the general formula M(2)SO(4).M(2)^(1)(SO(4))(3).24H(2)O ...

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  20. Alums having the general formula M(2)SO(4).M(2)^(1)(SO(4))(3).24H(2)O ...

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  21. (All products from P to related to Boron. The by products are not in...

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