Make up the equations of chemical reactions according to the scheme: CH4- H2- Fe- FeSO4

1. The reaction of decomposition of methane into simple substances at temperatures above 1000 ° C.

CH4 = C + 2H2.

2. Reduction of iron oxide to metal.

3H2 + Fe2O3 = 2Fe + 3H2O.

3. The reaction of iron with dilute sulfuric acid to form a salt.

Fe + H2SO4 = FeSO4 + H2.

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