Related Questions

Deoiling is the process of removal of oil from wax. It is done by the __________ process.
A Solvent extraction
B Sweating
C Resettling
D All of the above
Deoiling of wax is done by its
A Heating
B Cooling
C Solvent extraction
D Both B & C
In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
A 1 : 2
B 2 : 1
C 1 : 3
D 3 : 1
For separating small pieces of metal from engine oil of a car, the best separating technique is the
A Chromatography
B Evaporation
C Filtration
D Fractional distillation
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
A Cost
B Availability
C Toxicity
D Selectivity
Straight run petrol as compared to methyl/ethyl alcohol has
A Lower calorific value
B Lower octane number
C Higher specific gravity
D Higher ignition temperature
Most commonly used solvent in oil paints, is
A Petroleum
B Spirit
C Coal tar
D Turpentine
Which of the following is the most commonly used leaching solvent in vegetable oil industry?
A Phenol
B Hexane
C Furfurol
D Liquid SO2
Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 2/3 full of oil. If all of the oil in drum X is poured into drum Y, then drum Y will be filled to what fraction of its capacity?
A 3/4
B 5/6
C 11/12
D 7/6

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