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With what does iron react to give out Ferrous Oxide?(a) Carbon dioxide(b) Nitrogen(c) Ozone(d) OxygenThis question was addressed to me in unit test.My question comes from Mold-Metal Reaction topic in division Mold and Mold Making of Casting-Forming-Welding I

Answer»

Right CHOICE is (d) OXYGEN

Explanation: Iron when reacts with Oxygen gas, it PRODUCES the compound, ferrous oxide. Ferrous oxide is an inorganic compound and possesses BLACK colored appearance.



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