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The chemical composition of cyolite mine...

The chemical composition of cyolite mineral is:

A

`Al_(2)O_(3)`

B

`Al_(2)O_(3).12H_(2)O`

C

`KAISI_(3)O_(6)`

D

`Na_(3)AIF_(6)`

Text Solution

Verified by Experts

The correct Answer is:
D
Cryolite is `Na_(3)AIF_(6)`.
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DINESH PUBLICATION-P BLOCK ELEMENTS (GROUP 13 AND 14 )-Multiple choice
  1. The types of hybridisation of boron in diborane is

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  2. A metal ion M^(3+) loses three electrons , its oxidation number will b...

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  3. The chemical composition of cyolite mineral is:

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  4. In borax bead test, which compound is formed?

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  5. Inorganic graphite is

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  6. Which of the following is acidic in nature ?

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  7. In diborane, the two H-B-H angles are nearly

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  8. The ability of a substance to exist in two or more crstaline forms kno...

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  9. When a mixture of air and steam is passed over red hot coke, the outgo...

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  10. Which of the following compound is not hydrolysed?

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  11. Which of the following forces bind together carbon atoms in diamond?

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  12. Na^(+), Mg^(2+), Al^(3+), and Si^(4+) are isoelectronic ions. Their io...

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  13. An ammoniacal solution of cuprous chloride (CuCl) absorbs

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  14. The oxide which does not act as reducing agent is:

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  15. The structure and hybridisation of Si in Si(CH(3))(4) is

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  16. The ion that cannot ne precipitated by both HCl and H(2)S is

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  17. In graphie, the electron are

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  18. Borax is uded as a cleaning agent because on dissolving in water, it g...

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  19. Which of the following anions is present in the chain structure of sil...

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  20. The stability of +1 oxidation state increases in the sequence :

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