A) physical and exothermic change
B) chemical and exothermic change
C) physical and endothermic change
D) chemical and endothermic change
Correct Answer: B
Solution :
Since new substance (i.e. magnesium oxide) is formed when magnesium is burnt in air so it is a chemical change. Since heat is produced so it is an exothermic change.You need to login to perform this action.
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