Which change is chemical?(1 point) Responses water freezing: liquid water becoming solid water water freezing:

Question

Which change is chemical?(1 point)
Responses

water freezing: liquid water becoming solid water
water freezing: liquid water becoming solid water

water undergoing electrolysis: liquid water becoming oxygen and hydrogen molecules
water undergoing electrolysis: liquid water becoming oxygen and hydrogen molecules

water boiling: solid water becoming gaseous water
water boiling: solid water becoming gaseous water

water evaporating: liquid water becoming gaseous water

GPT-5 mini · Answer

Water undergoing electrolysis: liquid water becoming oxygen and hydrogen molecules.

Explanation: Electrolysis breaks chemical bonds and produces new substances (H2 and O2), so it's a chemical change. Freezing, boiling, and evaporation are phase (physical) changes.

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