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MODULE 5 FACTORS AFFECTING THE RATE OF CHEMICAL REACTIONS

Quiz by Angelica Ramos

Grade 10
Science
Philippines Curriculum: Grades K-10 (MELC)

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5 questions
Show answers
  • Q1

    TRUE or FALSE. The rate of reactions is usually affected by the following factors: temperature, the surface area of the reactant, amount of concentration of the reactants, and the presence of catalyst.

    TRUE

    FALSE

    30s
    S10MT -IVh - j -24
  • Q2

    What factor affecting the rate of chemical reaction is evident in pouring chocolate powdered drink in hot water?

    Question Image

    Presence of Catalyst

    Temperature

    Amount of Concentration

    30s
    S10MT -IVh - j -24
  • Q3

    TRUE OR FALSE. For particles to react, they must collide with each other with sufficient energy.

    TRUE

    FALSE

    30s
    S10MT -IVh - j -24
  • Q4

    Baya, a rice wine, is made from an indigenous variety of glutinous rice fermented using a native woody herb called Onwad as a yeast agent. What factor that affects the rate of chemical reaction is evident?

    Question Image

    Surface Area of the Reactant

    Presence of Catalyst

    60s
    S10MT -IVh - j -24
  • Q5

    Why is it better to use a chicken broth cube cut into 4 equal parts rather than a whole cube in cooking?

    Question Image

    The chicken broth cube cut into 4 equal parts could react faster in giving flavoring in cooking.

    The chicken broth cube cut into 4 equal parts slows down the cooking process.

    30s
    S10MT -IVh - j -24

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