Chemistry · Chemical Reactions
Which of the following statements correctly defines a chemical change, based on changes occurring at the molecular level?
- 1A change involving no energy exchange
- 2A change that can always be reversed easily
- 3A change that results in the formation of one or more new substances✓
- 4A change that affects only size or shape
Correct answer
A change that results in the formation of one or more new substances
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