Which of the following is an analgesic?

(a)

Streptomycin

(b)

Chloromycetin

(c)

Asprin

(d)

Penicillin

Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statement is not true.

(a)

dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.

(b)

Disinfectants harm the living tissues

(c)

A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant

(d)

Chlorine and iodine are used as strong disinfectants

Drugs that bind to the receptor site and inhibit its natural function are called _______.

(a)

antagonists

(b)

agonists

(c)

enzymes

(d)

molecular targets

Aspirin is a/an _______.

(a)

acetylsalicylic acid

(b)

benzoyl salicylic acid

(c)

chlorobenzoic acid

(d)

anthranilic acid

Which one of the following structures represents nylon 6,6 polymer?

(a)

(b)

(c)

(d)

Natural rubber has _______.

(a)

alternate cis- and trans-configuration

(b)

random cis- and trans-configuration

(c)

all cis-configuration

(d)

all trans-configuration

Nylon is an example of _______.

(a)

polyamide

(b)

polythene

(c)

polyester

(d)

poly saccharide

Terylene is an example of _______.

(a)

polyamide

(b)

polythene

(c)

polyester

(d)

polysaccharide

Which one of the following is a bio-degradable polymer?

(a)

HDPE

(b)

PVC

(c)

Nylon 6

(d)

PHBV

Non stick cook wares generally have a coating of a polymer, whose monomer is _______.

(a)

ethane

(b)

prop-2-enenitrile

(c)

chloroethene

(d)

1,1,2,2-tetrafluoroethane

Which of the following is a co-polymer?

(a)

Orlon

(b)

PVC

(c)

Teflon

(d)

PHBV

The polymer used in making blankets (artificial wool) is _______.

(a)

polystyrene

(b)

PAN

(c)

polyester

(d)

polythene

Regarding cross-linked or network polymers, which of the following statement is incorrect?

(a)

Examples are Bakelite and melamine

(b)

They are formed from bi and tri-functional monomers

(c)

They contain covalent bonds between various linear polymer chains

(d)

They contain strong covalent bonds in their polymer chain

Which is the monomer of neoprene in the following?

(a)

(b)

\(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{C} \equiv \mathrm{CH}\)

(c)

\(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}_{2}\)

(d)