Question

which of the following is a correct statement ?
A) chemical reaction is a change of a substance to an old one having same chemical identity
B) chemical reaction is a change of a substance to a new one that has same chemical identity
C) chemical reaction is a change of a substance to a new one that has different chemical identity
D) all the above statements are correct

Answer 1

Answer:

c is correct

Explanation:

because when you burn paper it releases co2 and ashes which have a totally different chemical identity than paper