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A drug is a chemical substance which affects the action of the body. Or a drug is defined as any substance that causes physical and mental changes in the body. If drugs are used under proper medical supervision they can serve the following purposes; i—To save life ii—To relieve suffering due pain iii-To combat disease […]
INTRODUCTION TO CHEMISTRY Chemistry is a branch of Science. Science is basically the study of living and non-living things. The branch of science that study living things is called Biology. The branch of science that study non-living things is called Physical Science. Physical Science is made up of: (i) Physics– the study of matter in […]
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