991. Which of the following adsorbent is used to decolourise yellow glycerine ?
A. Silica gel
B. Alumina
C. Fuller’s earth
D. Activated carbon

992. Binary distillation involves the mass transfer by ______________________ at the gas-liquid interface?
A. Unidirectional diffusion from liquid to gas phase
B. Unidirectional diffusion from gas to liquid phase
C. Either A. or B.
D. A counter diffusion at an almost equal molar rate

993. Milk is dried usually in a __________________ dryer?
A. Freeze
B. Spray
C. Tray
D. Rotary

994. Which of the following is a suitable absorbent for removal of H2S from natural gas ?
A. Vetrocoke solution
B. Monoethanolamine (MEA)
C. Dilute
D. Hot water

995. Components, having widely different boiling point in a binary mixture, can be separated using ________________ distillation?
A. Molecular
B. Extractive
C. Steam
D. Simple

996. _____________ is used as a catalyst in fat splitting ?
A. ZnO
B. Ni
C. V2O5
D. FeO

997. ______________ is produced using molasses as the starting raw material ?
A. Methyl alcohol
B. Ethyl alcohol
C. Benzol
D. Dimethyl ether

998. Production of alcohol by fermentation of molasses is a/an _____________ process?
A. Anaerobic
B. Aerobic
C. Endothermic
D. Both B. and C.

999. Which of the following is not a food additive ?
A. Citric acid
B. Invertage
C. Benzoyl peroxide
D. Ammonium chloride

1000. Which form of sulphur is the most stable at room temperature ?
A. Plastic
B. Monoclinic
C. Rhombic
D. Flowers of Sulphur

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