Which substance can not be broken down by a chemical change?18 Which equation represents a physical
- Mayya Alocci
- May 16, 2023
- 1 min read
NYC Chemistry Regents Exam Jan 2023
Which substance can not be broken down by a chemical change? (1) ammonia
(2) ethanol (3) krypton
(4) water
Solution: Elements can not be broken down by a chemical change. Krypton is an element (you can find it on the Periodic Table) and the rest of the answer choices are compounds.
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