Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 19 53 17 36 19 53 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sedimentation Magnetization Sublimation Evaporation Sedimentation Magnetization Sublimation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Hydrogen Carbon dioxide Chlorofluorocarbon Nitric oxide Hydrogen Carbon dioxide Chlorofluorocarbon Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Carbon Lead Mica Graphite Carbon Lead Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Krypton Neon Helium Argon Krypton Neon Helium Argon ANSWER DOWNLOAD EXAMIANS APP