1. Intro to General Chemistry

Melting butter is a physical change. Which best describes what is happening during this process?

Which of the following scenarios represents a physical change rather than a chemical change?

Which of the following can indicate that a chemical change has occurred?

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

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?