Which of the following statements is INCORRECT?
I) Bleaching powder is a pale yellow powder
II) Dry $$NH_4$$ gas turns red litmus blue
III) The pH of rain water is nearly 5.6
IV) The pH of acid rain is nearly 4

A

I), II) and IV)

B

I), II) and III)

C

All of the above statements are correct

D

Only II)