1. Intro to General Chemistry

Which of the following best explains why the melting of ice is considered a physical change?

As a candle burns, what happens to most of the wax?

Which of the following is an example of a qualitative observation?

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

Which of the following changes in substances is always considered a physical change?

When sugar dissolves in tea, is this process considered a physical change or a chemical change?

Which of the following best describes what happens at the atomic scale when a mineral cleaves or fractures?

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

Which property of water changes as it transitions from solid (ice) to liquid to gas (vapor)?

Which of the following is a feature of physical changes that applies to all substances?

Which of the following is NOT a sign of a chemical change?

The melting of an ice cube is an example of which type of change?

Which of the following best describes the process of baking a cake?

During which of the following processes does the space between particles tend to increase?

Which of the following is NOT a sign of a chemical change?