Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Oxygen Chlorine Ozone Nitrogen Oxygen Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.727 0.658 0.509 0.305 0.727 0.658 0.509 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Helium Xenon Argon Neon Helium Xenon Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used As purgative In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry In softening water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in A battery Dynamo Electric heaters Atomic bombs A battery Dynamo Electric heaters Atomic bombs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-22 O+2 O-2 O2 O-22 O+2 O-2 O2 ANSWER DOWNLOAD EXAMIANS APP