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Who proposed Law of Conservation of Mass?

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in Chemistry – Class 11 by (148k points)
Who proposed Law of Conservation of Mass?

(a) Antoine Lavoisier

(b) Joseph Proust

(c) Lorenzo Romano

(d) Joseph Louis

I had been asked this question at a job interview.

Asked question is from Laws of Chemical Combination in portion Chemistry Basic Concepts of Chemistry – Class 11

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Right answer is (a) Antoine Lavoisier

To explain: Antoine Lavoisier conducted many experiments regarding combustion and noticed various physical and chemical changes and there is no change in overall mass. Hence he came to a conclusion that mass can neither be created nor destroyed i.e. Law of Conservation of Mass.

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