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Chemistry Test ...

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  • Question 1
    4 / -1

    The concentration of reactant changes from 0.06 mol L-1 to 0.05 mol L-1 in 25 minutes. Calculate the average rate of reaction.

  • Question 2
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    Directions: The question consists of two statements: Assertion and Reason. While answering the question, you are required to choose any one of the following four responses.

    Assertion: Benzyl bromide, when kept in acetone-water, produces benzyl alcohol.

    Reason: The reaction follows SN2mechanism.

  • Question 3
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    Which of the following is an example of man made ecosystem?

  • Question 4
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    Wurtz reaction involves the reduction of alkyl halide with

  • Question 5
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    The widely used PVC is a polymerised product of

  • Question 6
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    Which of the following group of elements are called chalcophiles?

  • Question 7
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    Ethylene is converted to X on passing through a mixture of an acidified aqueous solution of palladium chloride and cupric chloride. Which of the following reagents readily take part in addition reaction with X?

  • Question 8
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    In amino acid synthesis, acetyl chloride is used in the protection of _______ group.

  • Question 9
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    Dacron is a polymer of

  • Question 10
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    Which of the following statements correctly represents one of the characteristic of the lanthanides?

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