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Unit 1 Some Basic Concepts Of Chemistry .+1 Chemistry.Avogadro Hypothesis.It stated as follow
Equal volume of all gases under similar conditions of temperature and pressure contain Equal no. of molecules. eg 1 volumeHydrogen combine with 1 volume chrorine to two form hydrogen chloride.by experiment .And half molecule hydrogen combine with half molecule of chlorine to form one molecule of hydrogen chloride A.T. Avogadro's Law. thus this result does not contradict Dalton's Atomic Theory.