Quiz

brain-2b92b658
Quiz

Brain Teasers

Jonathan leaves for work at eight O’clock and while on his way he finds two school going girls arguing on issues concerning whether to go to school the following day
Chemistry

Chemistry Quiz

Rock salt is a mixture of sand and sodium chloride.Sodium chloride is soluble in water but not in hexane.Sand is insoluble in both water and hexane.What is required to separate