WGU General Chemistry Exam 1 Questions & Answers (Top 2024/2025 EXAM REVIEW PAPERS / GRADED A+/ 100% Accurate)

WGU General Chemistry Exam 1 Questions & Answers Which of the following is a 'substance' according to the definition given in your textbook? Select one: a. Air b. Tap water c. Sea water d. Water e. Toothpaste -d. Water What is the term used for findings that are summarized based on a pattern or trend? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction -a. Law Which one of these represents a chemical change? Select one: a. Boiling water to form steam b. Turning hair yellow with bleach c. Melting butter d. Mixing powdered charcoal and oxygen at room temperature e. Cutting a bar of sodium metal into pieces with a knife -b. Turning hair yellow with bleach Which one of these represents a physical change? Select one: a. Water, when heated, forms steam. b. Bleach turns hair yellow. c. Sugar, when heated, becomes brown. d. Milk turns sour. e. Apples, when exposed to air, turn brown. -a. Water, when heated, forms steam. When the value of something does not depend on the amount of the matter then what is this called? Select one: a. Empirical property b. Intensive property c. Inclusive property d. Extensive property e. Exclusive property -b. Intensive property If normal body temperature is 98.6°F then what is this in degrees Celsius? Select one