Carbonic Acid Gas -

In the 1750s, a Scottish chemist named called it "fixed air." He realized it was heavier than normal air and could extinguish a flame. When he bubbled it through lime water, it turned the liquid milky—a classic chemistry trick still used today to prove CO2cap C cap O sub 2 is present. 2. The Name

The term "carbonic acid gas" comes from its relationship with water. When CO2cap C cap O sub 2 dissolves in H2Ocap H sub 2 cap O carbonic acid gas

Here is a brief look at the life of this "ghostly" substance: 1. The Discovery In the 1750s, a Scottish chemist named called it "fixed air

) . Though the name sounds heavy and acidic, it’s the same invisible gas that makes your soda fizz and helps plants breathe. In the 1750s