state gov Maharashtra Talathi (तलाठी भरती) Mock Test 2023 General Knowledge Ecology and Environment Environmental pollution
With reference to the acid rain, consider the following statements.
1. Acid rain refers to any precipitation with a pH is less than 5.6.
2. Acid rain is caused by atmospheric pollution from acidic gases such as sulfur dioxide and oxides of nitrogen.
3. The pH scale based on oxygen ion concentration in an aqueous solution.
Which of the following statement is are correct?
1
1 and 2
2
2 and 3
3
1 only
4
1, 2 and 3