Question

Which of the following represents a chemical change?

Select one: a. rocks being smoothed by rapid water movement b. the pink color of a rose c. iron's attraction to a magnet d. decomposition of stone due to acid rain

Answer 1

id have to go with d

Answer 2

d. it wouldnt be a because that is a physical change and in letter B, there isnt even a physical or Chemical change. in Answer C, nothing is changing again. but letter d, acid can