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 5x 5x/36 x/6 7.2 x 5x 5x/36 x/6 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic soda Caustic potash Sodium hydroxide Soda ash Caustic soda Caustic potash Sodium hydroxide Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to presence of free electrons its high polishing its chemical inertness its high density presence of free electrons its high polishing its chemical inertness its high density ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes Industrial smog formation Depletion of fossil fuel reserves Lowering of pH of soil Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Ester Carbohydrate Hydrocarbon Protein Ester Carbohydrate Hydrocarbon Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Butane and propane Methane and ethylene Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Butane and propane Methane and ethylene Carbon monoxide and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP