A. Absorption of SO3 in 98% H2SO4
B. C + H2O = CO + H2
C. Thermal dissociation of iron pyrites
D. Both B. and C.
A. Is an exothermic reaction
B. Increases their melting point
C. Is done in presence of nickel catalyst
D. All A , B. and C.
A. The number of grams of iodine taken up by 100 gm of oil or fat
B. A measure of its unsaturation
C. Helpful in findings its adulteration & its suitability for making soap
D. Independent of the type of oil, whether it is drying or non-drying
A. Ostwald’s
B. Bosch
C. Solvay
D. Haber’s
A. Pain relievers
B. Antibiotics
C. Used in the treatment of T.B.
D. Used in the treatment of typhoid
A. Polyurethane
B. Phenol formaldehyde
C. Polychlorophrene
D. Styrene-butadiene rubber
A. 10
B. 20
C. 50
D. 85
A. Merely compression of gas beyond its critical pressure
B. Joule-Thomson expansion cooling
C. Heat exchange with colder stream
D. Adiabatic expansion against a piston or in a turbine
A. Coking coals cannot be used
B. Low carbon conversion efficiency is achieved
C. Entrainment of solids is higher
D. Large quantity of coal can be processed
A. CaO, SiO2, Al2O3
B. MgO, SiO2, K2O
C. Al2O3, MgO, Fe2O3
D. CaO, MgO, K2O