Compose an activity to arrange Ca, Mg and Fe metals in the decreasing order of reactivity with water. Write suitable balanced chemical equation and draw diagrams.
CBSE Class X Science LA (5 Marks)
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The decreasing order of reactivity is Ca, Mg, Fe.
Ca + 2H2O -------> Ca(OH)2 + H2
Mg + H2O ------> MgO + H2
3Fe + 4H2O ------> Fe3O4 + 4H2
Ca + 2H2O -------> Ca(OH)2 + H2
Mg + H2O ------> MgO + H2
3Fe + 4H2O ------> Fe3O4 + 4H2
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