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Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.
For storing water and acid free benzol, use a __________ vessel.
Main constituents of benzol are
Benzol is used
BHC (Benzene hexachloride) is made by the chlorination of benzene
Isopropyl benzene produced by alkylation of benzene with propylene is known as
Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of these are men, what percent of the non-unionized workers are women?
In a class of 200 students , 40 percent are girls . 25 percent of the boys and 10 percent of the girls signed up for a tour to Cox's bazar . What percent of the class signed up for the tour?