Q1. Choose the correct option. (10 Marks)
Q2. Write down short answers of following questions. (10 Marks)
Q3. Write detailed answers of the following questions. (Answer any 2) (2×5=10 Marks)
1.
Write short notes on NOx: its types, formation, properties, and role in the environment and industry.
2.
Explain the ecological importance and industrial impact of nitrification and denitrification processes.
3.
Describe the uses of sulfur and its compounds in industry, agriculture, and medicine.