Chemistry Fertiliser having high nitrogen content is : Ammonium nitrate Urea Calcium citrate Ammonium sulphate Ammonium nitrate Urea Calcium citrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Cryolite Bauxite Calcite Haematite Cryolite Bauxite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 7.2 x 5x x/6 5x/36 7.2 x 5x x/6 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Atrazine Ethephon Malathion Isoproturan Atrazine Ethephon Malathion Isoproturan ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Dmitri Mendeleev Henry Moseley John Dalton Julius Lothar Meyer Dmitri Mendeleev Henry Moseley John Dalton Julius Lothar Meyer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Solar energy devices All of these Transistors Semiconductors Solar energy devices All of these Transistors Semiconductors ANSWER DOWNLOAD EXAMIANS APP