Most mineral ores exist as a compound - commonly an oxide or a sulphide, but others are known. If an oxide, then heating say, the iron ore in a reducing environment will remove the oxide. If a sulphide, then simple heating may suffice.
It is just a matter of finding a chemical reaction that will remove the unwanted material.
The field is called "mineral processing", and the common processes involve crushing and grinding the rock, mixing it with water to create a sandy mud, then separating particles of good stuff using gravity separation, magnetic separation, or froth flotation (coating the good stuff with oily chemicals, then blowing air through the pulp to get the good stuff to stick to the air and rise to the top of the tank where it can be skimmed off).
Depends on the ore- and the metal. Early refining involved roasting the ore- heat melted the metals. In other cases, the ore is crushed, and separated by chemical means. I am familar with one mine that processed rock for Rutile and Ilmenite (titanium) that crushed the rock, and refined it by centrifugal force, magnetic separation, and then electrostatic separation. Early gold mining crushed ore to powder, which passed over a copper sheet coated with Mercury- gold would combine with the mercury to form an amalgam- which was scrapped off the copper sheet, and distilled.
With blasting into fragments and loading by huge machines onto rail cars or trucks.
Ores are removed from the ground by mining.
This process is called concentration.
i don't know do you??????????????
A very common process is flotation.
gold
The density of iron ore is variable. Iron ore refers to a rocktype that contains iron minerals. The type and concentration of the iron minerals as well the type and concentration of non-iron minerals determines the density of the iron ore. Typical high grade iron ore is approximately 65% hematite and 35% other (commonly silicate). The density of hematite is approximately 5 g/cc and a general density for crustal rocks (silicates) is approximately 2.67 g/cc. Therefore iron ore that is 65% hematite and 35% silicate would have a density of approximately 4 g/cc.
hard
Materials that contain iron ore. Iron, steel, tin, etc.
1KG
By mining uranium ore
Iron ore is removed with dynamite and lots of heavy equipment. It starts as iron ore and is mixed with coke (carbon). This is a displacement reaction which means that the iron is separated from the ore and you have iron on its own.
Miners extract iron ore from the ground.
In the ground
Metals are extracted from their ore through chemical reaction. Iron ore is an oxide of iron. The oxygen is removed from the ore by heating carbon with the ore to create molten iron and Carbon Dioxide.
It comes from the ground. Very, very deep in the ground. I recommend you to mine in creeper caves to find iron ore.
yes the meaning of ore is raw metal
from minerals that are produced from the ground *********************************************************
The ore must be mined, or must be removed from the ground. Then the ore must be processed to extract the metal
Steel does not come out of the ground. It is the Iron Ore which is a Major Raw Material in Steel Preparation Process that is mined out of the earth. The mining of iron ore from the earth is a process in itself.
A quarry is a pit from which substances are mined. Iron ore is a substance found in the ground that contains iron. So, to obtain iron ore it is necessary to dig it up (mine it). One way this is done is to mine it from a quarry.
common well it depends on where you are Iron is common in most places and it is not uncommon for Iron ore to be mistaken for just orange to brownish colored rocks on the ground
Iron ore was mixed with limestone and charcoal. The charcoal would be ignited, and air forced through the mix. The charcoal would removed the oxygen from the iron ore, leaving iron.