Question

Which of the following is a chemical change?

A. Water vapor in the air turns to liquid water in the form of rain
B. The oxygen in the air forms ozone in presence of UV rays
C. Dust and soot particles being suspended in the air
D. Sulphur dioxide being released in the air

Answer 1

It would be B)

Step-by-step explanation:

It wont be C because nothing is happening its just being released, but in B its being changed by the UV rays. So this is a chemical change or looks like the best answer out of all these

Answer 2

The answer is c dust and spot particles