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Question
Complete and balance the following reactions.
(a) Na+H2O→ ___ ___ ___ + ___ ___ ___
(b) Ca+H2O→ ___ ___ ___ _+___ ___ ___
(c) Mg+H2O→ ___ ___ ___ _+___ ___ ___
(d) Zn+H2O→ ___ ___ ___ __+___ ___ ___
(e) Fe+H2O→___ ___ ___ ___ +___ ___ ___
(f) Zn+HCl→ ___ ___ ___ ___ _+___ ______ _
(g) Al+H2SO4→___ ___ ___ _ +___ ___ ___
(h) Fe+HCl→___ ___ ___ __ +___ ___ ___ ___
(i) Zn+NaOH→ ___ ___ ___ _+___ ___ ___ ___
(j) Al+KOH+H2O ___ ___ ___ +___ ___ ___ ___
Complete and balance the following reactions.
(a) Na+H2O→
(b) Ca+H2O→
(c) Mg+H2O→
(d) Zn+H2O→
(e) Fe+H2O→
(f) Zn+HCl→
(g) Al+H2SO4→
(h) Fe+HCl→
(i) Zn+NaOH→
(j) Al+KOH+H2O
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Solution
(a) 2Na + 2H2O → 2NaOH + H2
(b) Ca + 2H2O → Ca(OH)2 + H2
(c) Mg + H2O → MgO + H2
(d) Zn + H2O → ZnO + H2
(e) 3Fe + 4H2O → Fe3O4 + 4H2
(f) Zn + 2HCl → ZnCl2 + H2
(g) 2Al + 3H2SO4 → Al2(SO4)3 + 3H2
(h) 2Fe + 6HCl →2 FeCl3 + 3 H2
(i) Zn + 2NaOH → Na2ZnO2 + H2
(j) 2Al + 2KOH + 2H2O → 2KAlO2 + 3H2
(a) 2Na + 2H2O → 2NaOH + H2
(b) Ca + 2H2O → Ca(OH)2 + H2
(c) Mg + H2O → MgO + H2
(d) Zn + H2O → ZnO + H2
(e) 3Fe + 4H2O → Fe3O4 + 4H2
(f) Zn + 2HCl → ZnCl2 + H2
(g) 2Al + 3H2SO4 → Al2(SO4)3 + 3H2
(h) 2Fe + 6HCl →2 FeCl3 + 3 H2
(i) Zn + 2NaOH → Na2ZnO2 + H2
(j) 2Al + 2KOH + 2H2O → 2KAlO2 + 3H2
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