Smelting of iron ore involves a) oxidizing iron to ferric oxide and then adding silicon and boron b) dissolving the ore in hot water to separate iron and aluminum c) heating beyond iron's melting point and combining the material with carbon d) crushing and heating the ore at its melting point e) washing the ore with acid to extract iron.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.