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Aluminium becomes passive in...

Aluminium becomes passive in

A

Conc.`HNO_(3)`

B

`H_(2)CrO_(4)`

C

`HClO_(4)`

D

Conc. `HCl`

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The correct Answer is:
A, B, C
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NARAYNA-13TH GROUP ELEMENTS-Multiple Answer
  1. Why is a solution of aluminium chloride acidic?

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  2. Aluminium chloride exists as a dimer when

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  3. Aluminium becomes passive in

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  4. BF(3) on hydrolysis(partial) forms.

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  5. Correct statements are

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  6. Na[B(4)O(5)(OH)(4)].8H(2)O is called borax. Select correct for bora...

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  7. Which of the following exist as polymer in solid state?

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  8. Incorrect statement about Alum

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

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

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  11. White crystalline compound (X) reacts with water to produce an alkalin...

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  12. White crystalline compound (X) reacts with water to produce an alkalin...

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  13. White crystalline compound (X) reacts with water to produce an alkalin...

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  14. An inorganic compound (A) is white solid and exist as dimer. (A) get...

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  15. An inorganic compound (A) is white solid and exist as dimer. (A) get...

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  16. An inorganic compound (A) is white solid and exist as dimer. (A) get...

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  17. Boron forms a number of hydrides having general formulae B(n)H(n+4) an...

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  18. Boron forms a number of hydrides having general formulae B(n)H(n+4) an...

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  19. Boron forms a number of hydrides having general formulae B(n)H(n+4) an...

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  20. A white precipitate (X) is formed when a mineral of Boron (W) is bolie...

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