Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Excimer laser Gas laser Semiconductor laser Dye laser Excimer laser Gas laser Semiconductor laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Siderite Limonite Magnetite Haematite Siderite Limonite Magnetite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Acetylene Styrene Ethylene Methane Acetylene Styrene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value ANSWER DOWNLOAD EXAMIANS APP