A. Roasting
B. Smelting
C. Froth floatation
D. Electromagnetic separation
Concentration of sulphide ores is done usually by____________________? Read More »
Chemical Process A. Produces 70% NaOH solution
B. Requires less specific power consumption for the production of chlorine
C. Requires lesser investment for similar capacity
D. All A , B. and C
A. 0.14
B. 0.34
C. 0.94
D. 1.4
A. Trichloroethylene
B. Vinyl chloride
C. Ethanol amine
D. Ethylene oxide
Thermal pyrolysis of ethylene dichloride produces___________________? Read More »
Chemical Process A. Adsorbs
B. Oxidises
C. Reduces
D. Converts
A. Paint
B. Oil hydrogenation
C. Soap
D. Sugar
Massecuite is a terminology used in the ______________ industry ? Read More »
Chemical Process A. CaO
B. MnO2
C. ZnO
D. FeS
A. SO3
B. H2SO4
C. H2SO3
D. SO2
More than 100 percent of _________________ is present in oleum? Read More »
Chemical Process A. Bakelite
B. Pumice
C. Corundum
D. Carborundum
Which of the following is not an abrasive material ? Read More »
Chemical Process A. Evaporation and burning the concentrate followed by causticisation of products
B. Multi-effect evaporation only
C. Selective liquid extraction
D. Extractive distillation
Black liquor is converted into white liquor by __________________________? Read More »
Chemical Process