Answer :
i) Manganese dioxide is heated with aluminium powder.
3MnO2 (s) + 4Al (s)
3Mn(l) + 2Al2O3 ii) Steam is passed over hot iron.
3Fe(s) + 4H2O Fe3O4 (s) +4H2 iii) A mixture of ammonia and oxygen is passed over platinum heated to 1073K
4 NH3 (g) + 5O2(g) 4NO(g) + 6H2O.
3MnO2 (s) + 4Al (s)
3Mn(l) + 2Al2O3 ii) Steam is passed over hot iron.3Fe(s) + 4H2O
Fe3O4 (s) +4H2 iii) A mixture of ammonia and oxygen is passed over platinum heated to 1073K4 NH3 (g) + 5O2(g)
4NO(g) + 6H2O. Rate this question :
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