Different substances have different physical properties meaning they have properties that can be observed when a substance undergoes a chemical change.
For example, Rust v forms when water and oxygen interact with certain metals.

Explanation:

physical properties are those get can measured and observed without bringing a chemical change chemical properties are those that that get observed and measured when the substance undergoes a chemical change

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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