A. -5 to 0
B. 5 to 10
C. 30 to 50
D. 75 to 80
A. Separation of isotopes of uranium from gaseous uranium hexafluoride
B. Separation of helium from natural gas
C. Desalination of brackish water to produce potable (drinking) water
D. Purification of oxygen
Reverse osmosis is normally used for the_______________? Read More »
Chemical Process A. DDT
B. BHC
C. Parathion
D. None of these
Chloral is used in the manufacture of__________________? Read More »
Chemical Process A. Less changes in fluidity of oil with temperature
B. Substantially high change in fluidity of oil with temperature
C. Its unsuitability under varying temperature conditions
D. None of these
Higher viscosity index of a lubricating oil denotes_______________? Read More »
Chemical Process A. Oil of vitriol
B. Muriatic acid
C. Strong organic acid
D. Green acid
Hydrochloric acid is also known as_________________? Read More »
Chemical Process A. Amorphous isotropic material
B. Supercooled liquid
C. Material with sharp definite melting point
D. Electrical insulator
Ordinary glass is not a/an_________________? Read More »
Chemical Process A. Mixture of glycerides
B. Mixture of esters of polyhydric alcohols excepting glycerine
C. Liquid at room temperature
D. Mixture of glycerides of fatty acids
Wax is a___________________? Read More »
Chemical Process A. 1
B. 2.5
C. 5
D. 10
A. Lower melting point & higher reactivity to oxygen
B. Higher melting point & higher reactivity to oxygen
C. Lower melting point & lower reactivity to oxygen
D. Higher melting point & lower reactivity to oxygen
Unsaturated oils compared to saturated oils have___________________? Read More »
Chemical Process A. Same as Dacron
B. A polyester
C. Both A. & B.
D. Neither A. nor B.
Terylene is__________________? Read More »
Chemical Process