A. Low ash content
B. Low ignition temperature
C. High electrical resistivity
D. All A , B. and C.
Coke used for the production of calcium carbide should have____________________? Read More »
Chemical Process A. Exothermic
B. Endothermic
C. Catalytic
D. Autocatalytic
A. Dilute H2SO4
B. Ethanol amine
C. Chilled water
D. Tri-butyl phosphate
H2S is scrubbed from refinery gases by absorption using ________________________? Read More »
Chemical Process A. Removal of fatty and albuminous substance from it
B. Killing of organisms present in it by heating it at controlled temperature without changing its
natural characteristics
C. Inhibiting the growth of micro-organisms without killing them
D. None of these
Pasteurisation of milk means______________________? Read More »
Chemical Process A. Fats
B. Carbohydrates
C. Proteins
D. Amino acids
All enzymes are made of______________________? Read More »
Chemical Process A. Steam distillation
B. Extractive distillation
C. Solvent extraction
D. Leaching
Essential oils are usually obtained using__________________? Read More »
Chemical Process A. Isopropyl alcohol
B. Tetra-ethyl lead
C. Zeolite
D. Cumene
Which of the following is an organometallic compound ? Read More »
Chemical Process A. Collagen
B. Tannin
C. Molasses
D. Carbohydrate
A. Carbon
B. Charcoal
C. Sulphur
D. Potassium nitrate
_________________ is not a constituent of gun powder? Read More »
Chemical Process A. Spalling
B. Refractoriness
C. Both A. & B.
D. Neither A. nor B.
