1. Intro to General Chemistry

Which of the following is the best way to determine if a chemical change has taken place?

Why does aluminum (Al) metal not undergo corrosion like iron does?

Which of the following best describes the primary function of Ca^{2+} in biological systems?

When calcium carbonate (CaCO3) decomposes upon heating, what is the solid product formed along with carbon dioxide (CO2)?

Chlorofluorocarbons may be harming the ozone layer by ____.

Which branch of chemistry primarily studies how pollution affects marine life?

Binary compounds are composed of how many different types of atoms?

To what extent do covalent compounds conduct electricity?

Which of the following is NOT a disadvantage of using hydrogen as a fuel?

An element's chemical properties and reactivity are primarily determined by which of the following?

Which of the following is an example of chemical energy?

Which of the following is considered the most important chemical regulator of respiration in humans?

Which of the following describes a chemical property of a metal?

Which of the following is a chemical property of matter?

Which of the following is NOT true of zinc?