Chemistry Atoms of same element having different mass numbers are called________ Isomers Isotopes Isotones Isobars Isomers Isotopes Isotones Isobars ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Silicon Alcohol Sulphur Nitrogen Silicon Alcohol Sulphur Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Rain water Ground water Tap water Distilled water Rain water Ground water Tap water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates SO2 and NO2 CO2and CFCs NO2and particulates SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to None of these Electrons Protons Neutrons None of these Electrons Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP