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February 2019

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?

Chemical Process /
Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?

A. V2O5 & Cr2O3.
B. Oxides of nitrogen & Cr2O3
C. V2O5 on a porous carrier & oxides of nitrogen
D. Oxides of nitrogen & V2O5 on a porous carrier

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ? Read More »

Chemical Process

Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of __________________?

Chemical Process /
Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of __________________?

A. 4 kgf/cm2 & 500°C
B. 10 kgf/cm2 & 1000°C
C. 40 kg/cm2 & 200°C
D. 100 kgf/cm2 & 500°C

Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of __________________? Read More »

Chemical Process

Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ?

Chemical Process /
Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ?

A. Cause cholesterol build up and blood clotting
B. Are prone to rancid oxidation
C. Always contain some amount of nickel (as their complete removal is very difficult)
D. Have affinity to retain harmful sulphur compounds

Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ? Read More »

Chemical Process