(Q).
Q: Substances that act as both weak acids and bases are said to be what? Choices: - amphiphilic - hygroscopic - atmospheric - amphoteric A:
(A).
amphoteric

(Q).
Q: What is broken during catabolic reactions, such as the breakdown of complex carbohydrates into simple sugars? Choices: - ions - forms - metals - bonds A:
(A).
bonds

(Q).
Q: During a what type of reaction do chemical changes take place? Choices: - toxic - biological - nuclear - chemical A:
(A).
chemical