Search
.Management Sciences
Category: Chemical Process
Solvay process is used for the manufacture of____________________?
0
A. Caustic soda
B. Soda ash
C. Caustic potash
D. Soda lime
Industrial production of chloroform requires acetone and_____________________?
A. Phosgene
B. Calcium hypochlorite
C. Chlorine
D. Ammonium chloride
Absorption of SO3 in 97% H2SO4 is_______________?
A. Exothermic
B. Endothermic
C. Not possible
D. None of these
Which glass is usually used in optical work ?
A. Lead glass
B. High silica (borosilicate) glass
C. Photo-sensitive glass
D. Fibre glass
Enzymes are organic catalysts used in the ____________________ reactions ?
A. Chemical
B. Biochemical
C. Photochemical
D. Electrochemical
Mercury cells for caustic soda manufacture, compared to diaphragm cells___________________?
A. Require lower initial investment
B. Require more power
C. Produce lower concentration NaOH
D. None of these
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?
A. As a lubricant
B. As a rust preventive
C. In hard water for cleaning of cloth
D. As a foam depressant in distillation column
Which of the following impurities in feed water for high pressure boiler is the most detrimental ?
A. Silica
B. Dissolved oxygen
C. Suspended salt
D. Dissolved salt
Recent Comments