Chemistry Total number of elements in the Periodic table 127 112 118 115 127 112 118 115 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Two Three Zero One Two Three Zero One ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Soda ash Caustic potash Sodium hydroxide Caustic soda Soda ash Caustic potash Sodium hydroxide Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Disinfectant Insecticide Pesticide Fertiliser Disinfectant Insecticide Pesticide Fertiliser ANSWER DOWNLOAD EXAMIANS APP