Matter and change
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
15 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Which of the following would not be classified as a pure substance?

    answer choices

    element

    solution

    molecule

    compound

  • Question 2
    30 seconds
    Q.

    Which of the following is a correct statement regarding mixtures?

    answer choices

    mixtures are composed of one substance

    all substances in mixtures are visible at all times

    mixtures are composed of more than one substance

    mixtures have fixed compositions

  • Question 3
    30 seconds
    Q.

    A student passes a magnet over 10 grams of a powder. Four grams of the powder stick to the magnet, while 6 grams do not. Which of these identifies the substance?

    answer choices

    mixture

    element

    compound

    solution

  • Question 4
    30 seconds
    Q.

    Which of these will best separate a saltwater solution?

    answer choices

    Using paper filtering system

    allowing the salt to settle

    allowing the water to evaporate

    none of the above

  • Question 5
    30 seconds
    Q.

    Which of the following is a chemical property of sodium?

    answer choices

    density of 0.968 g/cm³

    silver-white color

    soft at room temperature

    tarnishes when exposed to air

  • Question 6
    30 seconds
    Q.

    Which of the following is a physical property?

    answer choices

    being black in color

    neutralizing acids

    burning with oxygen

    releasing SO2 gas

  • Question 7
    30 seconds
    Q.

    Which of the following properties of a substance could change during a physical change?

    answer choices

    ability to rust

    reactivity with acids

    resistance to bending

    ability to burn in oxygen

  • Question 8
    30 seconds
    Q.

    Which is one way a chemical property can be witnessed?

    answer choices

    heating a substance to its boiling point

    examining a substance under a microscope

    observing how one substance interacts with another

    passing an electrical current through a substance

  • Question 9
    30 seconds
    Q.

    The two sides of the above equation appear different. These differences are evidence of a

    answer choices

    mass change

    chemical change

    physical change

    keep the change

  • Question 10
    30 seconds
    Q.

    Which of the following equations is paired correctly with the type of change?

    answer choices

    Physical change: NaCl (s) → Na (aq) + Cl- (aq)

    Physical change: H2O (s) → H2O (l)

    Chemical change: CO2 (s) → CO2 (g)

    Physical change: C6H12O6 (s) + 6 O2 (g) → 6CO2 (g) + 6 H2O (l)

  • Question 11
    30 seconds
    Q.

    Oxygen reacts with iron to produce rust and with hydrogen to produce water. Which statement describes both reactions?

    answer choices

    A different mixture is formed in each case.

    A different solution is formed in each case.

    Both a change of state and of elements is involved.

    New molecules are formed but the same elements exist.

  • Question 12
    30 seconds
    Q.

    What would be the best evidence that two substances are made of different types of matter?

    answer choices

    Two substances have different reactions to light.

    Two substances have different temperatures.

    Two substances have different volumes.

    Two substances have different shapes.

  • Question 13
    30 seconds
    Q.

    Two pieces of the same metal are placed on a table. The pieces of metal have the same density, mass, and texture. Which characteristic must be the ONLY difference between the two samples?

    answer choices

    They are made up of a different type of matter.

    They have different boiling points.

    They have different dimensions.

    They contain a different amount of matter per unit volume.

  • Question 14
    30 seconds
    Q.

    Which of the following descriptions includes an extensive property?

    answer choices

    high luster, malleable, and ductile

    colorless, odorless, with a freezing point of 0°C

    red in color, ductile, with a melting point of 1100°C

    yellow in color, malleable, with a mass of 5 grams

  • Question 15
    30 seconds
    Q.

    Which one of the following properties does not depend on the amount of material present?

    answer choices

    weight of a bag of lead pellets

    volume of a cylinder of copper

    boiling point of a pot of water

    heat required to melt an ice cube

Report Quiz
Join a game