Soil pH or soil reaction is an indication of the ... root respiration dissolving in soil water to form a weak organic acid; (3) formation of strong organic and inorganic acids, such as nitric and ...

This is the pH scale. Katie: Oh, I remember this ... Let's imagine we are mixing a common acid like nitric acid and a common alkali - sodium hydroxide. When they react water and a salt called ...

This is the pH scale. Katie: Oh, I remember this ... Let's imagine we are mixing a common acid like nitric acid and a common alkali - sodium hydroxide. When they react water and a salt called ...