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.

Question

Chemistry

Miracle Acevedo

27 January, 12:39

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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Answers (1)

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Emanuel Farmer · Answer 1

The correct answer is option B.

The hematite particles rearrange to form a new substance. This is an example of a chemical change.

A chemical change is an irreversible process wherein the atoms of a substance undergoes a rearrangement that causes it to from a new substance with unique chemical properties.