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The Ostwald process is used for the industrial production of ________ acid.
- Sulfuric
- Nitric
- Phosphoric
- Hydrochloric
Answer: Nitric
Ostwald process: catalytic oxidation of NH₃ to NO, then to NO₂, absorbed in water to form HNO₃. Critical for fertilizers, explosives, and chemical synthesis. [[NCERT Chemistry Class 12]]