1. Intro to General Chemistry

Which of the following reactions performed in the experiment involved a chemical change?

Which statement best describes how particles differ after a chemical change compared to before the change?

Which of the following is an example of a chemical change?

Which of the following is a clue that a chemical change has occurred?

Which of the following is evidence that a physical change has occurred?

Which type of change occurs once the ice cube melts?

Which of the following demonstrates a chemical change?

Which statement best describes the difference between a physical change and a chemical change?

Which of the following is an example of a reversible physical change?

When water condenses in clouds, it changes state from:

Which of the following is an indicator that a chemical change has occurred during an experiment?

Which of the following processes would cause the molecules in matter to change into new substances?

Which of the following processes does not involve a change in chemical properties?

Which type of change occurs when water changes from a solid (ice) to a liquid (water)?

Which of the following sets of procedures and observations indicates a chemical change?