What is an ore?

the metals in the top reactivity series is ----------- metals in the bottom of reactivity series

the higher the metal in the reactivity series ---------its atoms joined with atoms of other elements in the compound

the more strongly the atoms of a compound are joined ------------it is extract an element from the compound

gold is

gold mainly found in nature as

Contains only one kind of atom.

gold is ...........dense than sand

it is .....................to separate gold from its mixtures

iron has

iron is found as

it is .......... to separate iron from its compounds

to separate iron from its compound we need ...........

A displacement reaction will occur when...

to displace iron from its compound we will add

why carbon use to displace iron in iron compounds

lead is

lead is found as

we use ...... reaction to extract lead

................... can replace Lead in its compound

Aluminum is

Aluminum is found in nature as

the attraction force between Aluminum atoms and Oxygen Atoms in Aluminum Oxide is

carbon can displace Aluminum in its compound