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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Fe < Mg < Ca
Reaction with Iron
3 Fe + 4 H2O ⇄ Fe3O4 + 4H2↑
Reaction with Magnesium
Mg + H2O → MgO + H2↑
Reaction with Calcium
Ca + 2H2O → Ca(OH)2 + H2
Reaction with Iron
3 Fe + 4 H2O ⇄ Fe3O4 + 4H2↑
Reaction with Magnesium
Mg + H2O → MgO + H2↑
Reaction with Calcium
Ca + 2H2O → Ca(OH)2 + H2
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