Chemistry Which of the following is used as filler in tyre of rubber ? Coal Graphite Carbon black Coke Coal Graphite Carbon black Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Hydrogen Helium Argon Neon Hydrogen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iodine Iron Bromine Chlorine Iodine Iron Bromine Chlorine 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 Iron is extracted from Bauxite Haematite Dolomite Cinnabar Bauxite Haematite Dolomite Cinnabar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP