Chemistry Number of neutrons in an atom of hydrogen is Three One Zero Two Three One Zero Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to N2O NO2 SO3 SO2 N2O NO2 SO3 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 5 3 2 4 5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Smelting Zone melting Leaching Slugging Smelting Zone melting Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Biotic Abiotic Renewable Non-renewable Biotic Abiotic Renewable Non-renewable ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS