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30-05-2017
Chemistry

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1. Which of the following is a physical change? (2 points) A newspaper burns when placed in a fire. An iron chair rusts when left outside. A sample of water boils and releases gas. A plant changes carbon dioxide and water into sugar.

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keelyrosewillia keelyrosewillia

30-05-2017

An iron chair rusts when left outside.

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laurenpare laurenpare

30-05-2017

A. It is changing state, color. Etc.

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