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Which of the given reactions are counted as balanced reactions?
  • a)
    H2 + O2 → 2H2O
  • b)
    4Al + 3O2 → 2Al2O3
  • c)
    Mg(OH)2 + 2HNO3 → 2Mg(NO3)2 + 2H2O
  • d)
    N2 + 3H2 → NH3
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the given reactions are counted as balanced reactions?a)H2+ O...
4Al + 3O2 → 2Al2O3 is a balanced reaction because the number of atoms of different elements on both sides is equal. The correctly balanced equations of the rest are 2H2 + O2 → 2H2O; Mg(OH)2 + 2HNO3 → Mg(NO3)2 + 2H2O and N2 + 3H2 → 2NH3.
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