chemical reactions - reactions of metal with oxygen Flashcards
1
Q
what is the reaction like between magnesium and oxygen?
A
it is rapid. produces light and heat. vigorous reaction
2
Q
what is the reaction like between iron and oxygen?
A
it is slow
3
Q
what forms when metals react with oxygen? what type of reaction is it? example
A
metal oxides. it is an oxidation reaction where the metal atoms are oxidised
magnesium oxide > magnesium + oxygen
4
Q
In this word equation what has been oxidised and what has been reduced?
Calcium + Copper Oxide > Calcium Oxide + Copper
A
calcium has been oxidised
copper has been reduced
