A. Evaporation followed by vacuum distillation
B. Liquid extraction technique
C. Extractive distillation technique
D. None of these
A. Penicillin
B. Streptomycin
C. Tetracycline
D. Quinine
A. Chemical
B. Biochemical
C. Photochemical
D. Electrochemical
A. Impart adhesive properties
B. Improve opacity
C. Impart resistance to penetration by liquids
D. None of these
A. Caustic soda
B. Soda ash
C. Caustic potash
D. Soda lime
A. Stiffen the leather
B. Smoothen the leather
C. Make it flexible
D. Impart water resistance
A. 30
B. 50
C. 70
D. 90
A. Soap
B. Detergent
C. Oil hydrogenation
D. Paint
A. L.D. converter
B. Blast furnace
C. Rotary kiln
D. Recuperator
A. Slaked lime
B. Soda lime
C. Calcium perchlorate
D. None of these