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Questions and Answers
Physical properties can be measured or seen without changing the matter it is made up of.
Physical properties can be measured or seen without changing the matter it is made up of.
True
Color, smell, and texture are examples of physical properties.
Color, smell, and texture are examples of physical properties.
True
Each substance has its own unique set of physical properties.
Each substance has its own unique set of physical properties.
True
The notebook is heavier than the desk.
The notebook is heavier than the desk.
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Scientists use the Mohs Hardness Scale to help determine how hard an object is.
Scientists use the Mohs Hardness Scale to help determine how hard an object is.
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Chemical properties can only be observed when a substance goes through a physical change.
Chemical properties can only be observed when a substance goes through a physical change.
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Rust is an example of a chemical change.
Rust is an example of a chemical change.
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When metal rusts, it changes the physical properties of the metal.
When metal rusts, it changes the physical properties of the metal.
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Rust is the result of a chemical reaction between metal and precipitation.
Rust is the result of a chemical reaction between metal and precipitation.
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Once metal rusts, it can be changed back to its original state.
Once metal rusts, it can be changed back to its original state.
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