Chemistry · Chemical Reactions and Equations
Which of the following options is an example of a combination reaction?
- 1CH 4 (g) + 2O 2 (g) → CO 2 (g) + 2H 2 O(g)
- 22H 2 (g) + O 2 (g) → 2H 2 O(l)✓
- 32HCl(aq) + 2Na(s) → 2NaCl(aq) + H 2 (g)
- 4HCl(aq) + NaOH(aq) → NaCl(aq) + H 2 O(l)
Correct answer
2H 2 (g) + O 2 (g) → 2H 2 O(l)
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