____________ Present in the lemon juice acts as electrolyte.

(a)

Sulphuric acid

(b)

Nitric acid

(c)

Hydrochloric acid

(d)

Citric acid

Which of the following methods is suitable for preventing iron frying pan from rusting?

(a)

Applying grease

(b)

Applying paint

(c)

Applying coating of zinc

(d)

All the above

Chloroform reacts with oxygen and forms this toxic substance, hence it is not used now

(a)

Carbonyl chloride

(b)

Carbon dioxide

(c)

Carbon monoxide

(d)

Carbon disulphide

Paracetamol is an _____________.

(a)

Analgesics

(b)

Antipyretics

(c)

Antiseptic

(d)

Antimalarial

Congo red is a __________.

(a)

Direct dye

(b)

Vat dye

(c)

Basic dye

(d)

add dye

Define a 'Drug'.

What are the two categories of drugs.

List out the characteristics of 'dye'.

What is balanced diet?

What are direct and indirect dyes? Give example.

What are the characteristics of drugs?

List out the drawbacks of Nanomaterials in chemistry.

Explain the important applications of Radiochemistry.

Explain how alcohol test ls done to identify Drunkards.