Chemistry The main source of Naphthalene is Diesel Coal-tar Camphor Charcoal Diesel Coal-tar Camphor Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Xenon Helium Argon Neon Xenon Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P3 P4 P1 P2 P3 P4 P1 P2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Formation of lather with soap None of these Distillation Boiling Formation of lather with soap None of these Distillation Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? N2O Chlorofluorocarbons CO2 CH4 N2O Chlorofluorocarbons CO2 CH4 ANSWER DOWNLOAD EXAMIANS APP
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