4. Write chemical equation for the reaction taking place when:
(a) Iron reacts with steam
(b) Magnesium reacts with dilute HCI
(c) Copper is heated in air.
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Hope this will help you in making the reaction with your given substance.
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Answer:
1.Iron reacts with steam to form metal oxide and hydrogen.3Fe(s)+4H2O(g)→Fe3O4(s)+4H2O.
2.Magnesium reacts with hydrochloric acid according to the equation:Mg(s) +2HCl(aq)→MgCl2(aq)+H2(g).
3.= is greater than Cu(s)+ O2(g) →2CuO
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