What is the difference between belief and knowledge?

Answer 1

Chemistry?
https://ils.unc.edu/~losee/b5/node9.html
<<... for a belief to be knowledge, it must be the case that the belief is, in fact, true, and the believer must have justification for the belief. A belief that is true but for which we have no evidence cannot be described as knowledge. ... We accept here that knowledge is something like ``justified true belief.>>