(a) Differentiate between disinfectant and an antiseptic. Give one example of each.
(b) What is tincture of iodine and what is it used for? 

3

(a)

What are biodegradable and non-biodegradable detergents? Give one example of each.

3

(a)

Mention the action of the following on the human body in bringing relief from a disease.
(i) Brompheniramine
(ii) Aspirin
(iii) Equalin

3

(a)

Explain the following types of substances with one suitable example, for each case:
(i) Cationic detergents
(ii) Food preservatives.
(iii) Analgesics.

3

(a)

What are detergents? How are they classified? Why are detergents usually preferred to soaps for washing clothes? Give an example of detergents.

3

(a)

Name the action of the following on the human body:
(a) Pencillium
(b) Morphine
(c) Analgin

3

(a)

Name the action of the following on the human body:
(a) Luminal
(b) Seconal
(c) Streptomycin

3

(a)

Label the hydrophilic and hydrophobic parts in the following compounds.
(a) CH₃(CH₂)₁₀CH₂OSO₃^-Na⁺
(b) CH₃(CH₂)₁₅-N⁺(CH₃)₃Br^-
(c) CH₃(CH₂)₁₆COO(CH₂CH₂O)_nCH₂CH₂OH

3

(a)

(i) Name sweetening agent used in the preparation of sweets for a diabetic patient.
(ii) What are antibiotics? Give an example.
(iii) Give two examples of macromolecules that are chosen as drug targets.

3

(a)

(i) Which one of the following is a food preservative Equanil, morphine, sodium benzoate?
(ii) Why is bithionol added to soap?
(iii) Which class of drug is used in sleeping pills?

3

(a)

(i) Pick out the odd one from among the following on the basis of their medicinal properties mentioning the reason: Luminal, Seconal, Phenacetin, Equanil.
(ii) Give an example of a substance that can act as a disinfectant as well as antiseptic depending upon its concentration. (Specify concentration)
(iii) Name any two macromolecules chosen as drug targets.

3

(a)