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Chemistry Test 193
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Chemistry Test 193

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  • Question 1/10
    4 / -1

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    The linking of identical atoms with each other to form long chains is called catenation. However, this property decreases from carbon to lead. Decrease of this property is associated with M-M bond energy which decreases from carbon to lead.

     

  • Question 2/10
    4 / -1

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  • Question 3/10
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  • Question 4/10
    4 / -1

    Which one of the following statement is not true ?

    Solutions

    The ideal value of D.O for growth of fishes is 8 mg/l . 7mg /l is desirable range, below this value fishes get susceptible to disease. A value of 2 mg/ l or below is lethal for fishes.

     

  • Question 5/10
    4 / -1

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  • Question 6/10
    4 / -1

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  • Question 7/10
    4 / -1

    In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to

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  • Question 8/10
    4 / -1

    Which of the following statements is incorrect?

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  • Question 9/10
    4 / -1

    At high pressure, the entire surface gets covered by a monomolecular layer of the gas follows

    Solutions

    At high pressure the extent of adsorption follows zero order kinetics.

     

  • Question 10/10
    4 / -1

    Before introducing FeO in blast furnace, it is converted to Fe2O3 by roasting so that

    Solutions

     

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