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2 October, 12:40
What are the two changes in matters
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Aimee Decker
2 October, 14:59
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Physical and chemical changes
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Abbie Stark
2 October, 16:13
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There are two types of change in matter : physical change and chemical change. As the names suggest, physical changes affect physical properties, and chemical changes affect chemical properties. Chemical changes are also known as chemical reactions.
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