Ch.1 - Intro to General ChemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Which of the following is a chemical change?A) boiling of waterB) melting waxC) broiling a steak on a grillD) condensing water vapor into rainfallE) carving a piece of wood


Which of the following is a chemical change?
A) boiling of water
B) melting wax
C) broiling a steak on a grill
D) condensing water vapor into rainfall
E) carving a piece of wood


We are asked to select which is the chemical change from multiple choices.

  • A chemical change is a kind of change in which a substance combines with another to form a new substance.
  • When chemical changes or reactions occur, the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated.
  • physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. The size or shape of matter may be changed, but no chemical reaction occurs
  • Physical changes are usually reversible. 
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