When magnesium ribbon is burnt, heat and light are produced. It is an example of
(A) Chemical change
(B) Physical and irreversible change
(C) Chemical and exothermic change
(D) Chemical and endothermic change.
what is exothermic change?
When magnesium ribbon is burnt, heat and light are produced. It is an example of
(A) Chemical change
(B) Physical and irreversible change
(C) Chemical and exothermic change
(D) Chemical and endothermic change.
what is exothermic change?