A. Hexane
B. Methyl ethyl ketone
C. Furfural
D. None of these
Related Mcqs:
- Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction__________________?
A. Decreases with decrease of thickness of the flakes
B. Increases with the increasing flake size keeping the flake thickness constant
C. Increases considerably with the rise of temperature
D. Decreases as the moisture content of flakes increases - Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________________?
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 - Oil produced by solvent extraction________________?
A. Has low free fatty acid content
B. Is odourless
C. Both A. & B.
D. Neither A. nor B. - Extraction of _________________ employs an electrolytic process ?
A. Aluminium
B. Silver
C. Copper
D. All A, B. and C - ______________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace?
A. Bauxite
B. Limestone
C. Quartz
D. Manganese - Solvent extracted oil________________?
A. Has low free fatty acid content
B. Is odourless
C. Has more of unsaturates
D. None of these - Major component of flint glass is_____________________?
A. Lead oxide
B. Silica
C. Alumina
D. Soda - The main product of high temperature carbonisation of coal is_____________________?
A. Coke
B. Ammonia
C. Tar
D. Phenol - The main component of Pyrex glass is_____________________?
A. Zinc
B. Lead
C. Boron
D. Selenium - Saponification number of an oil or fat____________________?
A. Gives an idea about its molecular weight
B. Is inversely proportional to its molecular weight
C. Detects its adulteration
D. All A , B. & C.
