1. Intro to General Chemistry

Which of the following is NOT an example of a chemical change?

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

Which of the following best describes a physical change?

During the evaporation of a saltwater solution, what happens to the salt?

Which of the following is an observation and not an inference?

During which change of state do atoms lose energy?

Which of the following is a chemical change?

Which is the main difference between physical changes and chemical changes?

Which of the following best describes what happens during condensation?

What happens when salt is placed in water?

Which of the following best describes sublimation?

Which of the following is a sign of a chemical change?

Which of the following processes causes a solid to change to a liquid?

A model shows water vapor turning into liquid water on a cold surface. Which change of state is represented?

Which process describes the change of a solid to a liquid?