Some fruit juices are very acidic. [Please select]
0
Mineral salts, especially calcium carbonate, often rich in acidic humous compounds, and characterized by oak and birch woods, siliceous pasture, and heaths with much acidic humus in the sandy soil. [Please select]
0
From its behaviour with the dyes, and with tannic acid and metallic salts, it would appear that lanuginic acid contains both acidic and basic groups. [Please select]
Do you have a better example in your mind? Please submit your sentence!