Dettol is the mixture of _____________.

(a)

Chloroxylenol and bithionol

(b)

Chloroxylenol and \(\alpha\)-terpineol

(c)

phenol and iodine

(d)

terpineol and bithionol

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

Aspirin is a/an _______.

(a)

acetylsalicylic acid

(b)

benzoyl salicylic acid

(c)

chlorobenzoic acid

(d)

anthranilic acid

Terylene is an example of _______.

(a)

polyamide

(b)

polythene

(c)

polyester

(d)

polysaccharide

Which is the monomer of neoprene in the following?

(a)

\({ CH }_{ 2 }-\underset { \underset { CL }{ | } }{ C } { -CH=CH }_{ 2 }\)

(b)

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

(c)

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

(d)

\({ CH }_{ 2 }-\underset { \underset { { CH }_{ 3 } }{ | } }{ C } { -CH=CH }_{ 2 }\)

What are antibiotics?

Name one substance which can act as both analgesic and antipyretic.

What are food preservatives?

What are drugs? How are they classified.

Explain the mechanism of cleansing action of soaps and detergents.

Which sweetening agent are used to prepare sweets for a diabetic patient?

Write a note on co –polymer

How is terylene prepared?

Write a note on vulcanization of rubber