Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
(A) NH3
(B) NaCl
(C) CaO
(D) Coke
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?
(A) AgO
(B) Al2O3
(C) ZnCl2
(D) Fe2O3
Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?
(A) Trichloroethylene
(B) Perchloroethylene
(C) Parathion
(D) Methanol
Which allotrope of sulphur is insoluble in carbon disulphide ?
(A) Rhombic sulphur
(B) Monoclinic sulphur
(C) Plastic sulphur
(D) Milk of sulphur
Refractory bricks burnt at very high temperature have got______________?
(A) Greater resistance to corrosion by slags
(B) Less resistance to corrosion by slags
(C) High spalling tendency
(D) None of these
Sulphuric acid saturated with SO3 is called_________________?
(A) Concentrated H2SO4
(B) Sulphurous acid
(C) Oleum
(D) None of these
Hydrogenation of oil does not ___________________?
(A) Remove double bonds
(B) Raise its melting point
(C) Improve its resistance to oxidation
(D) None of these
Stereospecific agents are exemplified by________________?
(A) Radiation
(B) Supported metal oxide catalysts
(C) Ziegler catalysts
(D) All A ,
Zeigler process__________________?
(A) Produces high density polyethylene
(B) Produces low density polyethylene
(C) Uses no catalyst
(D) Employs very high pressure