Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 10 2, 10, 8 2, 6, 8, 4 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 2, 8, 8, 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is Its aqueous solution turns red litmus blue It is a yellowish gas It is a odourless gas It is insoluble in water Its aqueous solution turns red litmus blue It is a yellowish gas It is a odourless gas It is insoluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million Ten million Half a million One million Two million Ten million Half a million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction Elimination reaction None of the options Substitution reaction Addition reaction Elimination reaction None of the options Substitution reaction 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
Chemistry Cement is made hard with Dehydration Dissociation of water Polymerisation Hydration and dissociation of water Dehydration Dissociation of water Polymerisation Hydration and dissociation of water ANSWER DOWNLOAD EXAMIANS APP