Tuesday, September 13, 2022
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Change to Hindi-English language In 1869, A Russian scientist D.I Mendeleev has done a well classification of elements. He no... -
1744 में Lavoisier ने experiments के basis में यह proof किया कि किसी reaction में mass conserve होता है। chemical reactions के दौरान mass न... -
Those properties which do not depends on the type size or charge of solute particles, it's only depends on the number of solute particle...
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