Chemical Reactions Flashcards
1
Q
What are some signs of a chemical reaction?
A
- colour change
- producing a gas (bubbling)
- forming a precipitate (new solid)
- heat light or sound is produced
2
Q
What is exothermic?
A
A chemical reaction that releases energy is called exothermic
3
Q
What is endothermic?
A
A chemical reaction that absorbs energy is called endothermic
4
Q
What is a reactant?
A
The substances that react together
5
Q
What is a product?
A
The substances that are produced by the reaction
