Question

What colorless, pungent gas is often dissolved in water to yield a

solution that is used as a biological preservative?​

Answer 1

Answer:

The colorless and pungent smelling gas here is Formaldehyde. It is chemically represented as CH2O. When this compound is dissolveed in water it gives rise to Methane-diol. with the formula H2C(OH)2.

Formaldehyde is the simplest form of Aldehydes. It is used in the manufacturing of many other important compounds.

Explanation: