Chemical Reaction Flashcards
1
Q
Define Physical change
A
Change of state (no new substance made)
2
Q
Define Chemical Change
A
Change of substance (new element created)
3
Q
During chemical reactions, the particles rearrange to form a new substance.
The signs that indicate that is has occured are what?
A
-Colour Change
-Change of Smell
-Light Emitted
-Change in Temperature
-Bubbles of Gas are Produced
4
Q
Define Reactants
A
Reactants are the substances that are present before the chemical change takes place
5
Q
Define Products
A
Products are the substances that are formed by the end
