Civil Services OPSC OAS Mock Test Series 2025 General Knowledge Ecology and Environment Environmental pollution
Consider the following:
1. Refrigerants
2. Foam-blowing agents
3. Solvents for cleaning electronic equipment
4. Pesticides
In which of the above are chlorofluorocarbons (CFCs) commonly used?
1
1 and 2
2
3 and 4
3
1, 2 and 3
4
All four