1. Intro to General Chemistry

Which of the following are two indicators that a chemical reaction is taking place?

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

Which of the following best describes what happens when a substance undergoes a physical change?

Which of the following best explains why whipping egg whites is considered a physical change?

When water is boiled to prepare soup, what type of change occurs?

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

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

Which of the following phrases best describes a chemical change?

Which type of change occurs when wood is burned?

When a substance condenses, what happens to its particles?

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

When ice is heated and turns into liquid water, which change of state is taking place?

Which of the following is an indication that a chemical change has taken place?

Dissolving is best described as which of the following?

Which change of state is represented when water vapor cools and forms liquid water?