Which of the following is an example of non-metal displacement Redox reaction?
1
CH4 + 2O2 → CO2 + 2H2O
2
2KClO3 → 2KCl + 3O2
3
Cr2O3 + 2Al → Al2O3 + 2Cr
4
2Na + 2H2O → 2NaOH + H2
Which of the following is an example of non-metal displacement Redox reaction?