krishangpvs Asked: December 2022 questions1 what is meant by a substance2 list the points of differencesbetween homogeneous andheterogeneous mictures
krishangpvs Asked: December 2022 questions1 define the atomic mass unit2 why is it not possible to see anatom with naked eyes
krishangpvs Asked: December 2022 1. Calculate the molecular masses of H,, 0, CI, CO,, CH, C,H.CH, NH,, CH,OH.Calculate the formula unitmasses of ZnO, Na,O, K,COgwen atomic