Chemistry The antiparticle of an electron is Alpha particles Proton Beta particles Positron Alpha particles Proton Beta particles Positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon dioxide Carbon monoxide Nitrogen Neon Carbon dioxide Carbon monoxide Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Carbon dioxide Nitrogen Methane Ozone Carbon dioxide Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Butyl salicylate Propyl salicylate Ethyl salicylate Methyl salicylate Butyl salicylate Propyl salicylate Ethyl salicylate Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Chromite Mica Manganese Bauxite Chromite Mica Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP