Question

Which of the following oxides upon dissolving with rain cause acid rain?

• A. Nitrogen dioxide
• B. Sulphur dioxide
• C. Silicon dioxide
• D. Sodium oxide

Answer 1

Answer: (A), (B)

The correct options are
A Nitrogen dioxide
B Sulphur dioxide

Motor vehicles and the industries located in and around Agra releases sulphur dioxide and nitrogen dioxide into the atmosphere. These gases dissolve in rain water and form acids like sulphuric acid and nitric acid. These acids fall to the ground in form of rain and this rain is called acid rain.