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
Catalytic oxidation of naphthalene produces_______________?
(A) Styrene
(B) Phenol
(C) Phthalic anhydride
(D) None of these
RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically____________________?
(A) Cyclo trimethylene trinitramine
(B) Trinitro resorcinol
(C) Cyclo tetramethylene tetranitramine
(D) Trinitrobenzene
Helium is produced on commercial scale from__________________?
(A) Air
(B) Natural gas
(C) Coke oven gas
(D) None of these
Oxidation of ortho-xylene in presence of ______________ catalyst is done to produce phthalic anhydride on commercial scale ?
(A) Nickel
(B) Vanadium
(C) Alumina
(D) Iron
High temperature carbonisation of coal produces _____________________ ?
(A) Inferior coke compared to low temperature carbonisation
(B) Less of gases compared to liquid products
(C) Larger quantity of tar compared to low temperature carbonisation
(D) None of these
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
Detergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?
(A) Endothermic
(B) Exothermic
(C) Irreversible
(D) Both
Isopropyl benzene produced by alkylation of benzene with propylene is known as _________________?
(A) Neoprene
(B) Cumene
(C) Gelatin
(D) Mercaptans