The change in which a new substance is formed calls a chemical change().
举一反三
- With a chemical r______, a new substance can form.
- A chemical is any aspect of a substance which is only seen by means of a chemical reaction (反应).
- Derivatives are formed by using prefixes and suffixes. Prefixes usually change the class but suffixes usually change the meaning.
- ______(heat) water does not change its chemical composition.
- We<br/>can get a new substance if we _____ a chemical substance with others. A: incorporate B: insert C: obtain D: deprive