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Iron(II) carbonate [green] to Iron(II) oxide.
If slate is sufficiently heated and compressed it becomes phyllite.
100g of iron will not turn into 100g of iron oxide because the iron oxide will have gained mass due to the oxygen that will have combined with the iron.
phyllite
Gneiss can turn into magma if, while underground, it is heated until it melts.
It's possible to do so (if you mean extract iron from iron pyrite) , but because pyrite is exothermic, it creates a hazard in mines. Also, it is much more economical to extract iron from other minerals. Pyrite is also geologically unstable, and will eventually turn into sulfurous minerals and actually viable iron ores, so it is best left for future mines. Pyrite is really only worth it for making sulfuric acid or jewelry.
It turns greenish.
blue
Iron(II) carbonate [green] to Iron(II) oxide.
pure iron when heated above 2000 C under damp air or steam to form a magnetic oxide
All materials have a certain point in which they will 'melt' and turn into a liquid, so yes :)
it turns purple when heated
When solids are heated they turn into liquid
The iron and sulphur are heated to a certain temperature until they start to react with each other. The iron and sulphur bind together in the heating process and turn into one compound. That compound is IRON SULPHIDE. When the two are both chemically joined they turn red in colour and the process of turning the mixture in to the compound is complete.
Blue...
An iron cannot remove wringles, however, an iron can remove wrinkles. Depending on the fabric or material the article of clothing is made from will determine what setting the iron should be set on. An iron has a metal plate that conducts heat, and in turn when the iron is applied to an article of clothing, this heated plated will remove wrinkles when the iron is moved back and forth across the wrinkled area.
Most heated mirrors turn on along with the rear window defrost switch.