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Write balanced equations for the reaction of :(i) Aluminium when heated in air. Write the name of the product.(ii) Iron with steam. Name the product obtained'(iii) Calcium with water. Why does calcium start floating in water? |
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Answer» (i) 4Al + 3O2 → 2Al2O3, Aluminium oxide (ii) 3Fe + 4H2O → Fe3O4 + 4H2, Ferric oxide (iii) Ca + 2H2O → Ca(OH)2 + H2, because hydrogen sticks to calcium. |
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