Five main clues that a chemical change has likely happened:
a new ____ is given off
2. a new ____ is formed, called a _____.
3. ____ is emitted or absorbed.
4. a new ____ appears.
5. _____ is given off and feels ___ to touch or absorbed - feels ____ to touch.
please help me fill in the blanks. I have filled in most of them, however, the remainder of the blanks do not seem clear to me. thank-you for your time.