Sarthaks Test
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Write the equations for the reactions of 

(i) Iron with steam 

(ii) Calcium with water 

(iii) Potassium with water

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(i) The reaction is as follows: 

3Fe + 4H2O → Fe3O4 + 4H2 

(ii) The reaction is as follows: 

Ca + 2H2O → Ca(OH)2 + H2 

(iii) The reaction is as follows: 

2K + 2H2O → 2KOH + H2

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