Chemical reactions are the heart of chemistry, transforming substances into new materials with distinct properties. This quiz will challenge your understanding of these fascinating processes, from the basics of chemical reactions to the indicators of chemical changes. Sharpen your knowledge and see how well you can identify and explain these transformations.
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
Chemical Change Quiz Questions Overview
1. What is a chemical change?
A change in the state of matter
A change that does not alter the chemical composition
A change that results in the formation of new chemical substances
A change that is reversible
2. Which of the following is an example of a chemical change?
Melting of ice
Rusting of iron
Boiling of water
Breaking of glass
3. What is a common sign of a chemical change?
Change in shape
Change in color
Change in size
Change in texture
4. Which process is NOT a chemical change?
Burning of wood
Dissolving sugar in water
Cooking an egg
Digesting food
5. What happens to the molecules during a chemical change?
They stay the same
They rearrange to form new substances
They disappear
They only change state
6. Which of the following is a chemical change involving heat?
Melting ice
Boiling water
Burning coal
Freezing water
7. What is the result of a chemical change?
Formation of new substances
Change in physical state only
Temporary change
No change in properties
8. Which of the following indicates a chemical change has occurred?
Change in temperature
Change in shape
Change in size
Change in state
9. What is the term for a solid that forms during a chemical reaction in a liquid solution?
Solvent
Solute
Precipitate
Reactant
10. Which of the following is NOT a sign of a chemical change?
Formation of a gas
Change in color
Change in state
Emission of light
11. What is the chemical change that occurs when iron reacts with oxygen?
Combustion
Corrosion
Decomposition
Neutralization
12. Which of the following processes involves a chemical change?
Evaporation of water
Sublimation of dry ice
Photosynthesis in plants
Condensation of steam
13. What is the term for a substance that speeds up a chemical reaction without being consumed?
Reactant
Product
Catalyst
Inhibitor
14. Which of the following is a chemical change involving light?
Melting of wax
Photosynthesis
Boiling of water
Freezing of water
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂