1. Intro to General Chemistry

Which of the following cannot be chemically broken down into simpler substances?

Which statement best defines the term 'amorphous' when used to describe a solid?

Which of the following is a compound?

Which of the following is NOT a physical mixture?

Air is best described as ________.

According to the Law of Conservation of Mass, which of these biological elements cannot be recycled in a closed system?

Which of the following best describes a main difference between a mixture and a pure substance?

Which of the following best describes water (H_2O)?

Which of the following is an example of a pure substance?

Which statement best describes the difference between a solute and a solvent in a solution?

Which of the following is a characteristic of colloid particles?

Which term best describes a suspension of oil droplets in a liquid?

Which of the following gases is not considered a main type of greenhouse gas?

Which of the following compounds is classified as inorganic?

Which of the following is not considered to be a greenhouse gas?