Chemistry

11th -

12thgrade

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Unit 4 test

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20 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following statements is not a requirement for a reaction to occur between reacting particles?

    reacting substances must collide

    reacting substances must collide with the correct orientation.

    reacting substances must be identical to react.

    reacting substances must collide with sufficient energy.

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    The diagram above is showing unsuccessful reaction. Which of the following is not a probable reason for an unsuccessful reaction?

    Reactants are moving too slowly

    Reactants are not facing each other at the right angle

    Reactants do not have sufficient energy

    Reactants are in correct orientation.

  • 3. Multiple Choice
    30 seconds
    1 pt

    Which of the following are necessary for successful collisions to occur?


    I ​Favorable collision geometry

    ​II ​Sufficient Kinetic energy

    ​III ​Large amount of heat

    I only

    I and II only

    II and III only

    I, II, and III

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