The antibiotic Penicillin is obtained from ___________ 

(a)

plant

(b)

microorganism

(c)

animal

(d)

sunlight

The cathode of an electrochemical reaction involves ____________

(a)

oxidation

(b)

reduction

(c)

neutralisation

(d)

catenation

Which of the following does not contain natural dyes?

(a)

Potato

(b)

Beetroot

(c)

Carrot

(d)

Turmeric

Radiochemistry deals with

(a)

oxidants

(b)

batteries

(c)

isotopes

(d)

nanoparticles

Chlorinated hydrocarbons are used as

(a)

fertilizers

(b)

pesticides

(c)

food colourants

(d)

preservatives

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

The source of drug of liquid paraffin is _____________.

(a)

Micro organism

(b)

Minerals

(c)

Plants

(d)

Animal

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