Other questions in this quiz

2. Na + O₂ → Na₂O

  • Na + O₂ → 2Na₂O
  • 2Na + O₂ → Na₂O
  • 4Na + O₂ → 2Na₂O
  • Na + 4O₂ → 2Na₂O

3. H₂ + Cl₂ ➝ HCl

  • 2H₂ + Cl₂ ➝ 2HCl
  • H₂ + Cl₂ ➝ 2HCl
  • H₂ + 2Cl₂ ➝ 2HCl
  • 2H₂ + 2Cl₂ ➝ 2HCl

4. H₂SO₄ + NaOH → Na₂SO₄ + H₂O

  • 3H₂SO₄ + NaOH → Na₂SO₄ + 2H₂O
  • H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
  • H₂SO₄ + 2NaOH → 2Na₂SO₄ + H₂O
  • 2H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

5. N₂ + O₂ → NO₃

  • N₂ + 3O₂ → 2NO₃
  • N₂ + 3O₂ → 3NO₃
  • 3N₂ + O₂ → 2NO₃
  • 2N₂ + 3O₂ → 2NO₃

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