Chapter 1.8, Problem 14RQ

in the isolation of alkaloid,in the early stages of acid or base required conditions. explain the reason of use of those reagent

Of what practical importance are air borne microorganisms to the laboratory workers?  What precautions should be taken to control laboratory contaminants?  What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?

Of what practical importance are air borne microorganisms to the laboratory workers?  What precautions should be taken to control laboratory contaminants?  Of what advantage is the using a solid and a liquid medium?