Chemistry 1 carat of diamond is equal to 200 g 100 g 100 mg 200 mg 200 g 100 g 100 mg 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Air Nitrogen Carbon di–oxide Water Air Nitrogen Carbon di–oxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Filteration Precipitation Sedimentation Electrophoresis Filteration Precipitation Sedimentation Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Reduction Sublimation Galvanisation Corrosion Reduction Sublimation Galvanisation ANSWER DOWNLOAD EXAMIANS APP