__________ is produced by the dehydrogenation of ethyl benzene.

In industrial nomenclature, alcohol means

Which of the following is not a food additive?

Glauber's salt is chemically represented by

A substance produced by a living organism and capable of anti-microbial activity is called a/an

Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.

Chemical formula of oleum is

A cane sugar factory having sugar production rate oftons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

Polythene is a/an __________ polymerisation product.

A 'unit process' is exemplified by the

Major component of flint glass is

Pick out the wrong statement pertaining to nitric acid.

Main constituents of portland cement are calcium aluminate and

Soaps remove dirt by

Grignard reagent is chemically known as

Nitrogen is an essential component of

Concentration of sulphide ores is done usually by

Proximate analysis of coal determines its __________ content.

Which of the following is used as a coagulant in water treatment ?

Which of the following is the purest form of water out of the following ?

Alum is commercially produced from

Chemical name of Grignard reagent is

Deaeration of water in its treatment is necessary, as it

Zeigler process

Electrodeposition of metals i.e. electroplating is never done on

Sucrose content in cane sugar may be around __________ percent.

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O4 + 4H₂, is not practised, as it is

Gypsum is chemically

Alcohol percentage in molasses may be around

Pick out the wrong statement.

Fusion of limestone and __________ produces high alumina cement.

Pure rectified spirit contains about __________ percent alcohol.

Rotary kiln is not involved in the production of

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement ?

The function of gypsum addition during cement making is to

Bromine content in sea water may be around __________ ppm.

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

Dacron is a/an

His scrubbed from refinery gases by absorption using

Pick out the exothermic reaction out of the following:

__________ paper is used in the manufacture of newsprint paper.

Use of water having dissolved oxygen in boilers promotes

CaO is called

Which of the following processes is absent in glass manufacturing process ?

Hydrochloric acid is also known as

Massecuite is

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Main use of hydrazine is