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8/3/2019 Chalk Cromatography
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I am very grateful to our director, Dr.Stalin Malhotra who permitted meto carry out these experimentsrelated to the project in the school.
I also express deep gratitude
towards the vice principal, Dr, H.S.Vashisht, and my chemistry teacher,Ms. Sangeeta Chakravarty, whohave been very kind to support andguide me for the completion of thisproject
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