A. Improve its resistance to rancid oxidation
B. Raise its melting point
C. Remove double bonds
D. None of these
A. Poor oxidation stability and high gum forming tendency
B. Greater tendency of decomposition at elevated temperature
C. Hydrolysis tendency in presence of water
D. All A, B. and C
A. Sand
B. Bauxite
C. Quicklime
D. Calcite
A. Flint
B. Pyrex
C. Quartz
D. All A, B. & C
A. Disinfection and control of taste & odour
B. Corrosion control
C. Removing turbidity
D. Control of bacteria
A. Ethyl benzene
B. Ethylene oxide
C. Ethanol
D. Ethane
A. Density difference
B. Wetting characteristics
C. Terminal velocities
D. None of these
A. Polyamide
B. Thermosetting resin
C. Polyester
D. None of these
A. Bakelite
B. Neoprene
C. Teflon
D. Nylon-66
A. Spraying 66° Be H2SO4 counter current to the flow of the gas
B. Passing it through a bed of diatomaceous earth
C. Passing it through a bed of silica gel
D. None of these