Question

true or false: all changes in the state of matter are chemical changes. true. if you melt ice into water, for example, that would be a chemical change. false. all changes in the state of matter are physical changes. liquid, solid or gas...all are physical changes.

Explanation:

Changes in the state of matter like melting ice to water or boiling water to steam are physical changes. In physical changes, the chemical composition of the substance remains the same. In a chemical change, new substances with different chemical properties are formed. Since not all state - of - matter changes create new substances chemically, the statement is false.

Answer:

False