In chemistry|lang=en terms the difference between primary and intermediate
is that
primary is (chemistry) illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement while
intermediate is (chemistry) any substance formed as part of a series of chemical reactions that is not the end-product.
As adjectives the difference between primary and intermediate
is that
primary is the first in a group or series while
intermediate is being between two extremes, or in the middle of a range.
As nouns the difference between primary and intermediate
is that
primary is a primary election; a preliminary election to select a political candidate of a political party while
intermediate is anything in an intermediate position.
As verbs the difference between primary and intermediate
is that
primary is (us|intransitive) to take part in a primary election while
intermediate is to mediate, to be an intermediate.