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7 February, 18:02

Is hot asphalt poured onto flat ground cools to from a solid road surface a physical or chemical change?

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  1. 7 February, 21:20
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    When hot asphalt is poured onto flat ground cools to form a solid road surface is a chemical change.

    Asphalt is a plastic hydrocarbon, when in liquid condition reacts with oxygen in air to react to become a solid.
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