Alcoholic Solution of I₂ . Used as an antiseptic.

It inhibits the synthesis of prostaglandins which stimulates inflammation of the tissue and cause pain.

Antimicrobial agent. Used for the treatment of STD called Syphilis.

If E—I (enzyme-inhibitor) bond is highly stable involving strong covalent bond which cannot be broken then enzyme is blocked permanently. E—I complex is degraded by body and new enzyme is synthesized. 

Receptors proteins are required for body's communication which are embedded in cell membranes in such a way that active site is at the outside region. 

Acid-Base titration can be used to determine the excess amount of alkali in the soap. The excess alkali left after hydrolysis of oil can be source of alkalinity in soap. 

Antihistamines are the drugs which control the allergy affects produced by histamines. Antacids are the substances which neutralise gastric acidity. Antihistamine do not affect the secretion of acid in stomach and the reason is that both antiallergic and antacid drugs work on different receptors.

We must classify the drug so as to understand its action on our body Drugs can be classified on the basis of its pharmacological effect, action on a particular biochemical process on the basis of its structure and on the basis of molecular targets. 

(i) Streptomycin
(ii) Chloramphenicol.