Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 10 electron 3 electron 8 electron 5 electron 10 electron 3 electron 8 electron 5 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Water Type metal Cast-iron Aluminium Water Type metal Cast-iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Sulphur Carbon Phosphorus Ozone Sulphur Carbon Phosphorus Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Water Carbonic Acid Ammonia Methane Water Carbonic Acid Ammonia Methane ANSWER DOWNLOAD EXAMIANS APP