Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Spin quantum number Principal quantum number Magnetic quantum number Azimuthal quantum number Spin quantum number Principal quantum number Magnetic quantum number Azimuthal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 100 years 0.01 minute 13 days 3 billion years 100 years 0.01 minute 13 days 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Basic None of these Acidic Neutral Basic None of these Acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ether Ethane Ethanol Chloropicrin Ether Ethane Ethanol Chloropicrin ANSWER DOWNLOAD EXAMIANS APP