1. Intro to General Chemistry

Which of the following observations is an indication that a chemical reaction has occurred?

Which of the following actions would cause a physical change in a substance?

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

When an atom loses an electron to another atom, is this process an example of a physical change or a chemical change?

Which observation most likely indicates that only a chemical change has taken place?

Which one of the following represents a chemical change?

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

What happens to the total mass of a substance when it undergoes a physical change?

Which of the following best describes how a physical change differs from a chemical change?

Which type of change occurs when water is frozen into ice?

Burning sugar is an example of which type of change?

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

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

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

Which of the following best explains how chemical formulas can be used to distinguish between a chemical change and a physical change?