Question

Write chemical equation reactions taking
place when carried out with the help of
(a)Iron reacts with steam
(b) Magnesium reacts with dilute HCL
(c) Copper is heated in air.
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Answer 1

Mg+HCl= MgCl2+H2

Fe+H2O=Fe2O3 + H2

Cu+O2= CuO

Answer 2

Answers: (1) 2Fe+3H2O-----Fe2O3+3H2

(2) Mg+2dilHcl---Mgcl2+H2

(3) 2Cu+O2---2Cuo