Chemistry Quiz#2, MCQs



NOTE: Attempt all Questions to see the Result at the bottom of this page.



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  1. 1)

    If the reactant or product of a chemical reaction can absorb ultraviolet, visible or infra-red radiation then the rate of a chemical reaction can be best be measured by which one of the following methods?


    • A) Chemical method
    • B) Spectrometry
    • C) Graphical method
    • D) Differential method

  2. 2)

    For the reaction 2NO + O2 <------>2NO2 the rate equation for the forward reaction is:


    • A) A) Rate= K [NO] [02]
    • B) Rate= K [NO]-2 [O2]
    • C) Rate = K [NO2]2
    • D) Rate = K [NO2]

  3. 3)

    Arrange the following elements according to the trends of ionization energies:


    • A) Ne◄N◄C◄B
    • B) B◄N◄C◄Ne
    • C) B◄C◄N◄Ne
    • D) Ne◄B◄C◄N

  4. 4)

    Q.65 Radon is ______ emitter and being radioactive is use in ____treatment in radiotherapy:


    • A) Beta,cancer
    • B) Alpha, cancer
    • C) Alpha, kidney stone
    • D) Beta, kidney stone

  5. 5)

    Which one of the following noble gases is used for providing an inert atmosphere for welding?


    • A) Helium
    • B) Neon
    • C) Argon
    • D) Krypton

  6. 6)

    The pH of acid rain is?


    • A) 7
    • B) Between 5 and 7
    • C) Below 5
    • D) Between 7 and 14

  7. 7)

    Q.68 The percentage of carbon in different types of iron products is in the order of:


    • A) Cast iron > Wrought iron > Steel
    • B) Wrought iron > steel > Cast iron
    • C) Cast iron > steel > Wrought Iron
    • D) Cast Iron > Steel=Wrought Iron

  8. 8)

    Which one of the following compound is ktone?


    • A) CH2-O-CH2-CH3
    • B) CH3-CO-CH2-CH3
    • C) CH3COCOOH
    • D) CH3-CH2CHO

  9. 9)

    Addition of unsymmetrical reagent to an unsymmetrical alkene is governed by:


    • A) Cannizaro`s Reaction
    • B) Krichoff Rule
    • C) Aldol condensation
    • D) Markownkov`s Rule

  10. 10)

    Ethylene glycols are used as:


    • A) Anaesthetic
    • B) Knocking agent
    • C) Freezing agent
    • D) Anti-freezing agent