Question

What is acid rain? How the pH of soil can be measured.

Answer 1

rain fall turned acidic due to the heavy atmospheric pollution is called acid rain.

Answer 2

Hello mate,

● Acid rain -
- Rainfall with excess of hydrogen ions in it (acodic) is called acid rain.
- Acid rain is caused when rain combines with sulphur dioxide or nitrogen oxide.
2SO2 + O2 + 2H2O --> 2H2SO4
4NO2 + O2 + 2H2O --> 4HNO3

● pH of soil -
- Soil is mixed with water and pH of mixture is taken.
- Usual pH of soil is 5.5 to 7 .

Hope this solved your query...