Changes in Matter
24 minutes ago
lverret
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    a characteristic of matter that you observe as it reacts with or changes into a different substance

    answer choices

    physical change

    physical property

    chemical change

    chemical property

  • Question 2
    30 seconds
    Q.

    a characteristic of matter that you can observe without changing the identity of the substances that make it up

    answer choices

    physical change

    physical property

    chemical change

    chemical property

  • Question 3
    30 seconds
    Q.

    a change in matter in which the substances that make up the matter change into other substance with different chemical and physical properties

    answer choices

    physical change

    physical property

    chemical change

    chemical property

  • Question 4
    30 seconds
    Q.

    a change in the size, shape, form, or state of matter that does not change the matter’s identity

    answer choices

    physical change

    physical property

    chemical change

    chemical property

  • Question 5
    30 seconds
    Q.

    An experiment was performed, and the observations listed below. Which substance showed only a phyical change?

    answer choices

    Substance 1

    Substance 2

    Substance 3

    Substance 4

  • Question 6
    60 seconds
    Q.

    When hydrogen, a colorless gas, combines with chlorine, a green and poisonous gas, a new compound called hydrogen chloride, or stomach acid, is formed. Which of the following statements is NOT true about the change?

    answer choices

    Hydrogen chloride has the same properties as hydrogen gas and chlorine gas.

    New chemical bonds are made when Hydrogen chloride is formed.

    Hydrogen chloride has different properties than hydrogen gas and chlorine gas.

  • Question 7
    30 seconds
    Q.

    Which of the following is NOT a physical property?

    answer choices

    Conductivity

    Magnetism

    Flammability

    Solubility

  • Question 8
    30 seconds
    Q.

    Choose all the chemical change indicators

    answer choices

    production of gas bubbles

    formation of a precipitate

    a change in state of matter

    a change in temperature

    crystals dissolve in a solution

  • Question 9
    60 seconds
    Q.

    Two clear solutions are mixed together in a beaker. The mixture heats up and turns a yellow color. Eventually a yellow solid settles to the bottom of the beaker. What is the new substance formed during this chemical change?

    answer choices

    a clear solution

    the color change

    the heat produced

    the yellow precipitate

  • Question 10
    30 seconds
    Q.

    The freezing point of water is 0*C

    answer choices

    physical property

    chemical property

  • Question 11
    30 seconds
    Q.

    The density of rubbing alcohol is 9.2 grams/mL

    answer choices

    physical property

    chemical property

  • Question 12
    30 seconds
    Q.

    How bubbles form when testing some minerals with acid

    answer choices

    physical property

    chemical property

  • Question 13
    30 seconds
    Q.

    Frost forms on windows in the cold air

    answer choices

    physical change

    chemical change

  • Question 14
    30 seconds
    Q.

    A swing in the park develops rust on it

    answer choices

    physical change

    chemical change

  • Question 15
    30 seconds
    Q.

    Sculptures are carved into rocks

    answer choices

    physical change

    chemical change

  • Question 16
    30 seconds
    Q.

    Luciferin and luciferase combine with oxygen for algae to "light up"

    answer choices

    physical change

    chemical change

  • Question 17
    30 seconds
    Q.

    Hydrogen peroxide and a type of alcohol mix to form a glowing liquid

    answer choices

    physical change

    chemical change

  • Question 18
    30 seconds
    Q.

    This diagram represents a

    answer choices

    physical change

    physical property

  • Question 19
    45 seconds
    Q.

    Choose all the chemical properties

    answer choices

    Asbestos does not burn

    Platinum does not develop rust

    density of water is 1g/mL

    Pyrite bubbles in acid

    Wood burns

  • Question 20
    45 seconds
    Q.

    Choose all the physical properties

    answer choices

    volume, mass, density

    melting/vaporization points

    flammability/combustibility

    magnetism

    malleability

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