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Chemistry Test ...

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  • Question 1
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    A depolarizer used in dry cell batteries is

  • Question 2
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    Which of the following is the correct order of thermal stability of hydrides?

  • Question 3
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    Which undergoes catalytic hydrogenation much faster?

  • Question 4
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    The temporary hardness of water due to calcium bicarbonate and can be removed by adding

  • Question 5
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    KO2 is used in space and submarines because it,

  • Question 6
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    Which of the following oxides can act both as an oxidising agent as well as reducing agent?

  • Question 7
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    Which among the following is correct for electrolysis of brine solution?

  • Question 8
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    The elevation in boiling point of 0.25 molal aqueous solution of a substance is (Kb= 0.52 K kg mol-1)

  • Question 9
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    If a metal crystallises in bcc structure with edge length of unit cell 4.29 x 10-8cm the radius of metal atom is

  • Question 10
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    The element which does not belong to group 15 is

  • Question 11
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    In leaching of alumina from bauxite by Bayer 's process, then ore is treated with

  • Question 12
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    Carbolic add is oxidised by acidified sodium dichromate to give

  • Question 13
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    In the electrolysis of aqueous sodium chloride with inert electrodes the products obtained at anode and cathode respectively are

  • Question 14
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    The integrated rate equation for first order reaction, A product is

  • Question 15
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    Which mixture is used for respiration by deep sea divers?

  • Question 16
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    Which among the following statements is true about the Schottky defect?

  • Question 17
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    Soaps are the sodium or potassium salts of higher fatty acids, containing number of carbon atoms more than,

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