Question

Which of the following is a balanced equation? *
1 point
4 N₂ + 3 H₂ → 4 NH₃
2 Al + 3 O₂ → Al₂O₃
Mg + 2 HCl → MgCl₂ + H₂
2 CaCO₃ →2 CaO + 3 CO₂​

Answer 1

Answer:

(i) Combination reaction

(ii) Displacement reaction

(iii) Displacement reaction

(iv) Decomposition reaction

(v) Double displacement reaction

Explanation:

Answer 2

Answer:

So balanced equation is

Mg + 2 HCl → MgCl₂ + H₂

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