* Essential for Fertilizer Production: Nitric acid is a key ingredient in the production of nitrogen-containing fertilizers, which are crucial for supporting plant growth and agricultural productivity.

* Wide Range of Industrial Applications: Nitric acid is used in a vast array of industrial processes, including the production of explosives, plastics, dyes, and pharmaceuticals.

The process for making nitric acid from ammonia is called the Ostwald process, and it involves several steps:

1. Ammonia Oxidation: Ammonia is oxidized with air in the presence of a platinum catalyst to form nitric oxide (NO).

2. Nitric Oxide Oxidation: Nitric oxide is further oxidized with air to form nitrogen dioxide (NO₂).

3. Absorption and Nitric Acid Formation: Nitrogen dioxide is absorbed in water to form nitric acid.

The Ostwald process is a testament to the importance of ammonia as a starting material for producing many essential chemicals.