by Adrienne Arevalo
Chemical changes are fundamental processes that transform substances into new entities with different properties. This quiz will take you through a series of questions designed to test your understanding of these transformations, from everyday examples to scientific principles. Get ready to put your chemistry knowledge to the test and see how well you understand the magic of chemical reactions!
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
Chemical Change Quiz Questions Overview
1. Which of the following is an example of a chemical change?
Melting ice
Burning wood
Boiling water
Breaking glass
2. What is the main difference between a chemical change and a physical change?
Chemical change is reversible, physical change is not
Chemical change forms new substances, physical change does not
Physical change forms new substances, chemical change does not
Physical change is always visible, chemical change is not
3. Which of the following indicates a chemical change has occurred?
Change in color
Change in shape
Change in size
Change in state
4. What is the term for a solid that forms and separates from a liquid mixture during a chemical reaction?
Solute
Precipitate
Solvent
Reactant
5. Which of the following is NOT a sign of a chemical change?
Production of gas
Formation of a precipitate
Change in temperature
Change in shape
6. What happens to the atoms in substances during a chemical reaction?
They are destroyed
They are created
They are rearranged
They remain unchanged
7. Which of the following is a chemical property?
Density
Melting point
Flammability
Hardness
8. What is the law of conservation of mass?
Mass can be created or destroyed
Mass is lost during a chemical reaction
Mass is conserved during a chemical reaction
Mass is gained during a chemical reaction
9. Which of the following is an example of a chemical reaction?
Rusting of iron
Melting of ice
Boiling of water
Breaking of glass
10. What type of reaction releases energy in the form of heat or light?
Endothermic
Exothermic
Isothermal
Adiabatic
11. Which of the following is a characteristic of an endothermic reaction?
Releases heat
Absorbs heat
Produces light
Forms a precipitate
12. What is the term for a substance that speeds up a chemical reaction without being consumed?
Catalyst
Reactant
Product
Inhibitor
13. Which of the following processes is a chemical change?
Evaporation of water
Dissolving sugar in water
Cooking an egg
Freezing of water
14. What is the term for the substances that are present at the beginning of a chemical reaction?
Products
Reactants
Catalysts
Solvents
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
