Read the statements below and choose the correct option :
S1: All Combustion reactions are exothermic reactions.
S2: Oxygen is added and heat is released in all these reactions.
1
Both S1 and S2 are true and S2 is the correct explanation for S1
2
Both S1 and S2 are true but S2 is not the correct explanation for S1
3
S1 is true but S2 is false
4
S1 is false but S2 is true