Physical and Chemical Properties and Changes
Explore the fundamental concepts of physical and chemical properties and changes through various exercises for Grade 12 Chemistry.
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Standards
Physical and Chemical Properties and Changes
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Date:
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Read each question carefully and provide your best answer. This worksheet assesses your understanding of physical and chemical properties and changes.
1. Which of the following is an example of a chemical property?
Density
Boiling point
Flammability
Solubility
2. When a substance undergoes a physical change, its chemical composition:
Changes significantly
Remains the same
Becomes a new substance
Is impossible to determine
1. Burning wood is an example of a physical change.
True
False
2. The ability of iron to rust is a physical property.
True
False
1. A property can be observed or measured without changing the substance's identity.
2. A chemical change results in the formation of new with different properties.
1. Differentiate between a physical change and a chemical change, providing an example for each.
2. List three indicators that suggest a chemical change has occurred.
Match each description on the left with the correct term on the right.
1. Color, odor, and density
a. Chemical Change
2. Rusting of iron
b. Physical Property
3. Melting of ice
c. Physical Change
4. Reactivity with acids
d. Chemical Property