Transcription of SOME BASIC CONCEPTS OF CHEMISTRY
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SOME BASIC CONCEPTS OF CHEMISTRY
UNIT 1 SOME BASIC CONCEPTS OF CHEMISTRYC hemistry is the science of molecules and theirtransformations. It is the science not so much of the onehundred elements but of the infinite variety of molecules thatmay be built from HoffmannScience can be viewed as a continuing human effort tosystematise knowledge for describing and understandingnature. You have learnt in your previous classes that we comeacross diverse substances present in nature and changes inthem in daily life. Curd formation from milk, formation ofvinegar from sugarcane juice on keeping for prolonged timeand rusting of iron are some of the examples of changes whichwe come across many times.
industry based on Ayurveda continued to exist, but it too declined gradually. It took about 100-150 years for Indians to learn and adopt new techniques. During this time, foreign products poured in. As a result, indigenous traditional techniques gradually declined. Modern science appeared in Indian scene in the later part of the nineteenth ...
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