A. Vertical shaft
B. Rotary
C. Fluidised bed
D. Fixed bed
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
A. C + H2O = CO + H2
B. CaC2 + H2O = Ca(OH)2 + C2H2
C. MgCO3 = MgO + CO2
D. All (A), B. and (C)
A. < 0
B. 10-30
C. 250-280
D. 500-600
A. Can be readily oxidised
B. Pose problem in sewerage plant
C. Have an isoparaffinic structure
D. Should not be used as it spoils the cloth
A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Regenerated cellulose acetate
D. None of these
A. Crystallisation
B. Vacuum crystallisation
C. Atmospheric distillation
D. Dehydration