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Which of the following is not a mineral ...

Which of the following is not a mineral of aluminimum ?

A

Bauxite

B

Cryolite

C

China clay

D

Malachite

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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
  1. Which of the following is the main ore of iron ?

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  2. Which of the following is not correctly matched ?

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  3. Which of the following is not a mineral of aluminimum ?

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  4. Which of the following metals is present in protein hormone insulin ?

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  5. Which one of the following is used as an acidic flux in metallurgy ?

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  6. In the metallurgy of iron, the slag is

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  7. Name some ores which can be concentrated by magnetic separation metho...

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  8. Which of the following is commonly used to produce foam in froth float...

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  9. Which of the following is used as collector in forth floatation proces...

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  10. Galena contains ZnS with PbS (Main ore). Which of the followin is used...

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  11. Serpeck's method involves the heating of bauxite with

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  12. Sulphide ore is converted to oxide form by using the process

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  13. Which of the following oxides cannot be reduced by auto or self reduct...

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  14. Which of the following is used as reducing agent in Gold schmidt metho...

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  15. Which of the following is used to reduce TiCl(4) to Ti ?

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  16. At 1250 K 2FeO(s)to2Fe(s)+O(2)(g), DeltaG=+320kJmol^(-1) of O(2) 2...

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  17. Ellingham diagrams are plots of DeltaG(1)^(@) Vs T for the formation o...

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  18. Which of the following statement is correct w.r.t. the following graph...

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  19. In Ellingham diagrams of DeltaG oxide formation Vs T, which of the fol...

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  20. On Ellingham diagrams if two graphs intersect each other, what does th...

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