Question

question 12 (1 point) which is not a physical change of water? liquid water freezes to ice. solid ice melts to liquid water. liquid water decomposes to hydrogen gas and oxygen gas. liquid water boils to steam.

Explanation:

Physical changes of water involve state - changes like freezing, melting, boiling without changing the chemical composition. Decomposition is a chemical change as new substances (hydrogen and oxygen) are formed.

Answer:

Liquid water decomposes to hydrogen gas and oxygen gas.