Answer:
C
Explanation:
because it releases heat when new bonds are formed. A is wrong as it is bond forming. B is wrong as it releases heat. D is wrong as if heat is been released it would make a place warmer not cold.
hope this make sense :)
oxygen is responsible for rusting
Oxidation number:
3*1+ oxidation number of J+2*-2= -1
Oxidation number of J = 0
The answer is one
I will just type any rubbish here bcuz my answer should be more than 20 words..... Just know the answer is 1
