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Which of the following is not an applica...

Which of the following is not an application of adsorption?

A

removal of moisture using anhydrous CaCl2

B

use of gas mask to purify the air for breathing

C

concentration of low grade sulphide ores using pine oil and frothing agent

D

chromatographic technique is used in purification of organic compounds

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AAKASH INSTITUTE ENGLISH-TEST 1-EXAMPLE
  1. Let gas (A) present in air is dissolved in 20 moles of water at 298K a...

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  2. The decay constant (lambda) for radioactive decay is independent of

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  3. Which of the following is not an application of adsorption?

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  4. Select the incorrect statement among the following.

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  5. Among the seven crystal systems,how many systems have body-centred uni...

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  6. When temperature of a reaction is raised from 17°C to 27°C,the rate of...

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  7. Identify the process in which heterogeneous catalysis is involved

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  8. During the electrolysis of water,if 11.2 litre H2 is obtained at S.T.P...

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  9. On diluting aqueous solution of weak electrolyte to 100 times

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  10. Which among the following has the highest melting point?

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  11. Identify the correct naming for K2[PdCl4].

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  12. If DeltaG° value of fuel cell using C4H10 and O2 is -2.6×10^6J,then E°...

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  13. Select the incorrect statement among the following

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  14. The resistance and specific conductance of 0.1M solution of an electro...

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  15. Among the given properties of solution,how many are colligative proper...

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  16. The most alkaline hyroxide among the following is

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  17. Copper matte contains

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  18. Copper sol is most easily precipitated by

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  19. For the galvanic cell Mg(s)|Mg^(2+)(aq)||Zn^(2+)(aq)|Zn(s),the standar...

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  20. For the following redox reaction the coefficients of the reactants for...

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