Statement-I : Pure water obtained from different sources such as, river, well, spring, sea etc. alwa
Channel: Doubtnut
Date: 02/02/2020

Statement-I : Pure water obtained from different sources such as, river, well, spring, sea etc. always contains hydrogen and oxygen combined in the ratio `1 : 8` by mass. Because Statement-II : `A` chemical compound always contains elements combined together in same proportion by mass. it wa discovered by French chemist, Joseph Proust `(1799)`.