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Which of the following is not an oxide o...

Which of the following is not an oxide ore?

A

Cryolite

B

Bauxite

C

Haematite

D

Cuprite

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AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. Sodium metal is extracted by the electrolysis of -

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  2. Self reduction process cannot be used for the extraction of -

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  3. Which of the following is not an oxide ore?

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  4. Van Arkel method is used for the refining of -

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  5. Chalcopyrites is an ore of

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  6. A certain gas takes half of the time to effuse out as taken by Ne gas ...

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  7. Amount of oxygen gas present in a 2 L vessel at 5 atm pressure and 27°...

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  8. Select the correct statement for isothermal expansion of an ideal gas

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  9. Standard enthalpy of formation is non zero for

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  10. Reaction for which Kp and Kc are equal

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  11. pH of a neutral solution at 360 K is Kw at 360 K is 3.6×10^(-13)

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  12. pH of aqueous solution of CH3COONa is given by

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  13. If concentration of F^- in saturated solution of CaF2 is x then solubi...

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  14. If three salts AB(s), AC(s) and AD(s) have equal solubility product th...

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  15. For one mole of a diatomic gas, the ratio of heat transfer at constant...

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  16. The equimolar salt solutions having lowest pH is

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  17. The pH of a solution at 25°C that contains 10^(-10) M hydroxide ions (...

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  18. Equal weight of oxygen and He are mixed in a closed container . The fr...

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  19. The ratio of units of vander Waals constants a and b is

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  20. The heat of combustion of P4(white) to P4O10(s) is -5.4 kJ mol^(-1). T...

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