Other questions in this quiz

2. KOH + CO₂ ➝ K₂CO₃ + H₂O

  • 2KOH + CO₂ ➝ 2K₂CO₃ + H₂O
  • KOH + 2CO₂ ➝ K₂CO₃ + H₂O
  • 2KOH + CO₂ ➝ K₂CO₃ + 2H₂O
  • KOH + 3CO₂ ➝ K₂CO₃ + 2H₂O

3. Na + O₂ → Na₂O

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

4. H₂SO₄ + NaOH → Na₂SO₄ + H₂O

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

5. H₂ + Cl₂ ➝ HCl

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

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