Write the balanced chemical equations for the following reactions:-
a) Magnesium reacting with oxygen
b) Sodium reacting with water
c) Iron reacting with sulphur
d) Zinc reacting with steam
e) Calcium reacting with water
f) Aluminium reacting with oxygen
g) Nitrogen reacting with hydrogen
h) Zinc reacting with hydrochloric acid
i) Calcium reacting with hydrochloric acid
j) Magnesium reacting with nitric acid

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Solution

Dear student,
a) 2Mg + O₂ $\to$ 2MgO
b)2Na + 2H₂O $\to$ 2NaOH + H₂
c) Fe + S $\to$ FeS
d) Zn + 2H₂O $\to$ Zn(OH)₂ + H₂
e)Ca+ 2H₂O $\to$ Ca(OH)₂ +H₂
f)4Al + 3O₂ $\to$ 2Al₂O₃
g) N₂ + 3H₂ $\to$ 2NH₃
h) Zn +2HCl $\to$ ZnCl₂ + H₂
i) Ca + 2HCl $\to$ CaCl₂ + H₂
j)Mg + 2HNO3 $\to$ Mg(NO₃)₂ + H₂

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Dear student, a) 2Mg + O2 →2MgO b)2Na + 2H2O → 2NaOH + H2 c) Fe + S → FeS d) Zn + 2H2O → Zn(OH)2 + H2 e)Ca+ 2H2O → Ca(OH)2 +H2 f)4Al + 3O2 → 2Al2O3 ​g) N2 + 3H2 → 2NH3 h) Zn +2HCl → ZnCl2 + H2 i) Ca + 2HCl → CaCl2 + H2 ​j)Mg + 2HNO3 → Mg(NO3)2 + H2 ​Regards