Rain water with a pH less than 5.6 is called:

Q. Given below are two statements:
Statement I: The pH of rain water is normally $\approx 5.6$.
Statement II: If the pH of rain water drops below $5.6$, it is called acid rain.
In the light of the above statements, choose the correct answer from the option given below.

Q. The rain is called as acid rain, when its $pH$ is less than ______

Q.

Acid rain is formed, when pH of rain water is less than ___ .