A Concise History of Science in India c9.2
A Concise History of Science in India c9.2
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c9.2
Similar is the case with the use of chemicals when man became the food-producer, and began to lead a settled life. There is no doubt that as man became more and more civilized, he developed varied avenues for the use of a number of chemicals and, in the process, acquired considerable knowledge of their occurrence, preparation and properties even though that knowledge, in point of fact, was not deep and systematized from the point of view of modern chemistry.