Chemical Process Archives - Page 89 of 98 -

Naphthalene is removed from coke oven gas by ________________________?

Naphthalene is removed from coke oven gas by ________________________?

A. Adsorbing on palladium
B. Absorbing in ethanolamine
C. Scrubbing with wash oil
D. Passing it through electrostatic precipitator

Naphthalene is removed from coke oven gas by ________________________? Read More »

Chemical Process

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of ____________________?

Chemical Process / admin

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of ____________________?

A. Nitric acid
B. Sulphuric acid
C. Ammonium sulphate
D. Hydrochloric acid

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of ____________________? Read More »

Chemical Process

Which of the following is an ore of iron ?

Chemical Process / admin

Which of the following is an ore of iron ?

A. Galena
B. Chalcopyrite
C. Hematite
D. Bauxite

Which of the following is an ore of iron ? Read More »

Chemical Process

Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?

Chemical Process / admin

Commercial production of Vanaspati is done by _______________ of edible vegetable oils ?

A. Hydrogenation
B. Oxidation
C. Hydrolysis
D. Hydrocracking

Commercial production of Vanaspati is done by _______________ of edible vegetable oils ? Read More »

Chemical Process

Sulphuric acid completely saturated with sulphur trioxide is called_________________?

Chemical Process / admin

Sulphuric acid completely saturated with sulphur trioxide is called_________________?

A. Concentrated sulphuric acid
B. Oleum
C. Sulphurous acid
D. Dilute sulphuric acid

Sulphuric acid completely saturated with sulphur trioxide is called_________________? Read More »

Chemical Process

Glauber’s salt is chemically ?

Chemical Process / admin

Glauber’s salt is chemically ?

A. Calcium sulphate
B. Potassium sulphate
C. Potassium chlorate
D. None of these

Glauber’s salt is chemically ? Read More »

Chemical Process

_______________ is used as a flux in the smelting of copper ore like chalcopyrite ?

Chemical Process / admin

_______________ is used as a flux in the smelting of copper ore like chalcopyrite ?

A. Coke breeze
B. Lime powder
C. Silica/quartz
D. Dolomite

_______________ is used as a flux in the smelting of copper ore like chalcopyrite ? Read More »

Chemical Process

Poly Vinyl Chloride (P.V.C.) is a ______________ material ?

Chemical Process / admin

Poly Vinyl Chloride (P.V.C.) is a ______________ material ?

A. Thermosetting
B. Thermoplastic
C. Fibrous
D. Chemically active

Poly Vinyl Chloride (P.V.C.) is a ______________ material ? Read More »

Chemical Process

Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?

Chemical Process / admin

Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?

A. V2O5
B. Pt
C. Ni
D. Cr

Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________? Read More »

Chemical Process

Which of the following is not an insecticide ?

Chemical Process / admin

Which of the following is not an insecticide ?

A. Hydrocyanic acid
B. Nicotine
C. Sodium fluoride
D. Hexane

Which of the following is not an insecticide ? Read More »

Chemical Process