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Questions and Answers
Which of the following is NOT a property of matter?
Which of the following is NOT a property of matter?
- Compressibility
- Color (correct)
- Density
- Volume
Which of the following is a physical change?
Which of the following is a physical change?
- Digestion of food
- Burning wood
- Melting of ice (correct)
- Rusting of iron
What is a compound?
What is a compound?
- A state of matter with a definite volume but not a definite shape
- A combination of substances that are not chemically combined
- A substance made up of two or more elements that are chemically combined (correct)
- A substance that cannot be broken down into simpler substances by chemical means
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Study Notes
- Matter occupies space and has mass.
- Physical objects are made up of matter.
- Properties of matter include mass, volume, density, state, shape, and compressibility.
- Solids, liquids, and gases are the three states of matter.
- Physical changes do not alter the composition of matter.
- Chemical changes alter the composition of matter.
- Elements cannot be broken down into simpler substances by chemical means.
- Compounds are made up of two or more elements that are chemically combined.
- Mixtures are combinations of substances that are not chemically combined.
- Solids have a fixed shape and volume, liquids have a definite volume but not a definite shape, and gases have neither a definite shape nor a definite volume.
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