I really don’t know the answer, please help this kiddo with his question
<span>-NH2 or, in its ionized form, -NH3+. Amino groups are the functional groups that bestow the "amino" in amino acid. They also readily ionize, gaining a proton (hydrogen ion), and thus serve as weak bases.</span>
The density of a glass helps determine the weight of the optical assembly and, along with lens diameter, becomes critical for weight sensitive applications.
Universal indicators are unsuitable for indicators because it has a range of colors.
basically, it changes from pink in alkali to colorless acid.