InterviewSolution
Saved Bookmarks
| 1. |
whichof thefollowingarephysicalchancgesandwhichare chemicalchanges? Burningofcandlewax , Meltingofcandlewax ,meltingof ironfillingandsandburningofwood, Breakinga piece ofchalkburninga piece of paperCuttingapieceof paper |
| Answer» | |