☠ 8p3 flash cards by max ☠
1
Q
what is the starting material in a chemical reaction called
A
a reactant
2
Q
what is the new substances that are formed in a chemical reaction called
A
a product
3
Q
what is it called when energy is released
A
an exothermic reaction
4
Q
what is it called when energy is taken in
A
an endothermic reaction
5
Q
what is it called when something reacts with oxygen and sets alight
A
combustion
6
Q
A chemical change in which a substance combines with oxygen
A
oxidation
7
Q
if you mix magnesium and oxygen what will you make
A
magnesium oxide
8
Q
how to identify a chemical reaction
A
colour change, mass change, production of gas