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Mass and Volume (Density) - Quiz

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Regarding density, which of the following statements is correct:

Mass and Volume (Density) - Quiz - Quiz Questions

Assess your understanding of density definitions, properties, and calculation formulas through the following exercises.

1. Regarding density, which of the following statements is correct:

A. The density of a substance is directly proportional to its mass
B. The density of a substance is inversely proportional to its volume
C. The density of the same substance is constant
D. Density is the heaviness of an object

2. In this simulation experiment, the steepness (slope) of the line in the $m-V$ graph represents:

A. The weight of the object
B. The volume of the object
C. The density of the substance
D. Measurement error

3. If a piece of iron is cut in half, the density of the remaining half will:

A. Become half of the original
B. Double
C. Remain unchanged
D. Cannot be determined

4. Given that the density of aluminum is $2.7g/cm^3$, the mass of an aluminum block with a volume of $10cm^3$ is:

A. $2.7g$
B. $27g$
C. $0.27g$
D. $270g$

5. [True/False] When water freezes into ice, its volume increases, indicating that the density of water is greater than the density of ice.

True
False

6. [Graph Question] The $m-V$ graphs of two substances, A and B, are shown (A's line is steeper). Which of the following statements is correct:

A. The density of A is greater than the density of B
B. The density of B is greater than the density of A
C. The densities of A and B are equal
D. Cannot be determined

7. A bottle can hold at most $1kg$ of water. It can definitely hold $1kg$ of:

A. Alcohol (density less than water)
B. Gasoline (density less than water)
C. Mercury (density greater than water)
D. Vegetable oil (density less than water)

8. Under normal circumstances, the density of gas is much smaller than the density of liquid mainly because:

A. The mass of gas molecules is small
B. The distance between gas molecules is large
C. Gas has no fixed shape
D. Gas always floats upwards