science chemical changes

posted by .

What is the only way that a chemical change can be undone?

With another chemical change?

  • science chemical changes -

    Two examples of helpful chemical changes and 2 examples of harmful chemical change. For each chemical change, an example of a "tell-tale" sign.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Changes in Matter

    Which of the following geological changes are physical changes and which are chemical changes?
  2. Science

    We did a experiment in class to recognize chemical change. I don't really get this question: Identify the combinations of chemicals in which chemical changes occurred. If the chemical changes occured in all of the combinations, then …
  3. Chem Lab

    Am I right? Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical property •Turns gray in air—physical property •Melts at 98º C-melting point is physical property •Reacts

    Is a forest fire a natural chemical change?
  5. science

    Will you please check a few more? Physical change, chemical change or both kinds of change?
  6. chemistry

    When two solutions are mixed and a new color is observed, is this color change an indication that a chemical reaction has occurred?
  7. science

    can you please tell me which catergory these belong in chemical or physical property?
  8. Science

    What did Antoine Lavoisier’s experiments demonstrate?
  9. Chemistry

    What is the difference between a chemical change and a chemical reaction?
  10. Science

    1.)Which of the following are chemical changes?

More Similar Questions