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The most abundant ore of Al, called baux...

The most abundant ore of Al, called bauxite ore has the cheimal compositon `Al_(2)O_(3). xH_(2)O`. The x is

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The ore of Al, 'bauxite' is

Aluminium oxide, Al_(2)O_(3) is

Al_(2)O_(3) reacts with

What is the nature of Al_(2)O_(3) and B_(2)O_(3) ?

Name the method used for the purification of red bauxite where the following reaction is involved Al_(2)O_(3).2H_(2)O+NaCO_(3) to 2NaAlO_(3)+CO_(2)+2H_(2)

Why is Al_(2)O_(3) amphoteric oxide?

In the following sets of reactants which two sets best exhibit the amphoteric characters of Al_(2)O_(3). xH_(2)O ? Set 1: Al_(2)O_(3). xH_(2)O (s) and OH^(-) (aq) Set 2: Al_(2)O_(3).xH_(2)O(s) and H_(2)O(I) Set 3: Al_(2)O_(3). xH_(2)O(s) and H^(+) (aq) Set 4: Al_(2)O_(3).xH_(2)O(s) and NH_(3) (aq)

NARAYNA-METTALURGY-INTEGER TYPE QUESTION
  1. The most abundant ore of Al, called bauxite ore has the cheimal compo...

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  2. Carnalite is present in sea water mainly. It is the main ore of m...

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  3. Extraction of Zn is based on the following thermodynamic reaction. ...

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  4. Ag(2)S + NaCN + Zn to Ag+ 'W' In 'W' the coordination number of Z...

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  5. How many of the following are oxides ores (i) Carnalite (ii) ...

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  6. In extraction of metal how many of the following ores calcination...

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  7. Number of metals among following which are obatained by electrom...

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  8. How many of following are correctly matched for electrolystic reduc...

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  9. How many of the following mimerals are oxides of metals// metalloi...

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  10. How many of the following refining processes are correctly matched ...

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  11. The most abundant ore of Al, called bauxite ore has the cheimal compo...

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  12. Carnalite is present in sea water mainly. It is the main ore of m...

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    |

  13. Extraction of Zn is based on the following thermodynamic reaction. ...

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    |

  14. Ag(2)S + NaCN + Zn to Ag+ 'W' In 'W' the coordination number of Z...

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    |

  15. How many of the following are oxides ores (i) Carnalite (ii) ...

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  16. In extraction of metal how many of the following ores calcination...

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  17. Number of metals among following which are obatained by electrom...

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    |

  18. How many of following are correctly matched for electrolystic reduc...

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  19. How many of the following mimerals are oxides of metals// metalloi...

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  20. How many of the following refining processes are correctly matched ...

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