Metals Flashcards
1
Q
What are most metals found as in rocks ?
A
compounds that are mixed with other compounds in rocks
2
Q
State what an ore is
A
a rock that has enough metal compound to make it worthwhile to extract .
3
Q
State the equations used to extract iron and aluminium?
A
iron oxide+ carbon ——>iron+carbon dioxide(heat an ore with carbon)
(electrolysis of molten compund) aluminium oxide ——->aluminium + oxgen
4
Q
the metals at the top of rs are the most_____ and ______resistant to ___________
A
reactive least oxidation
