Question

Conversion of ammonia into a write and then nitrate is
called​

Answer 1

Explanation:

Nitrification is a microbial process by which reduced nitrogen compounds (primarily ammonia) are sequentially oxidized to nitrite and nitrate.

Answer 2

Nitrification. Nitrification is the process that converts ammonia to nitrite and then to nitrate and is another important step in the global nitrogen cycle. ... The first step is the oxidation of ammonia to nitrite, which is carried out by microbes known as ammonia-oxidizers.