Hematite is a naturally occurring mineral and a common form of iron ore. the following statements describe physical and chemical changes occurring to hematite. which statement describes a chemical change? a. the hematite particles separate from each other but remain the same substance. b. the hematite particles rearrange to form a new substance. c. the hematite particles are mixed with particles of a different substance. d. the hematite particles vibrate more quickly when they are heated. e. the hematite particles are moved from one location to another location.
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