1. Intro to General Chemistry

Which of the following is an example of chemical weathering?

Which of the following tasks in the kitchen is an example of a physical change?

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

Which of the following best describes what happens to water as it evaporates?

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

Which observation is a sign of a chemical change?

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

Which of the following best explains why cooking an egg is considered a chemical change?

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

Which of the following examples is evidence of a physical change?

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

Which of the following events always involves a chemical change?

Which of the following is a qualitative observation in the classification of matter?

When a copper coin changes color from copper to silver after a chemical reaction, is this an example of a physical change or a chemical change?

Which of the following changes does not involve chemical reactions?