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Chapter 1 Some basic concepts of Chemistry (atoms molecules and chemical arithmetic) by TEACHING CARE online tuition and coaching classes

Chapter 1 Some basic concepts of Chemistry (atoms molecules and chemical arithmetic) by TEACHING CARE online tuition and coaching classes   Chemistry is basically an experimental science. In it we study physical and chemical properties of substance and measure it upto possibility. The results of measurement can we reported in two steps : (a) Arithmetic […]

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