Chemical Reactions Flashcards
1
Q
What happens when a chemical reaction occurs?
A
New substances are formed that have different properties then the original substances.
2
Q
What can be written to describe a chemical reaction?
A
A chemical equation
3
Q
What are the 5 different groups that chemical reactions can be classified into?
A
- Synthesis
- Decomposition
- Single Replacement
- Double Replacement
- Combustion
4
Q
What are 4 signs a chemical reaction has occurred?
A
- The formation of gas
- The production of heat or light
- The formation of a precipitate
- A color change
