Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ Ca2+ A l3+ Fe2+ Mg2+ Ca2+ A l3+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? J. Robert Oppen Heimer Samuel Cohen Edward Teller Wernher Von Braun J. Robert Oppen Heimer Samuel Cohen Edward Teller Wernher Von Braun ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Nitrogen Bromine Chlorine Fluorine Nitrogen Bromine Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove water content Disinfect the sewage Remove suspended solids Aerate the sewage Remove water content Disinfect the sewage Remove suspended solids Aerate the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it ANSWER DOWNLOAD EXAMIANS APP