Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/4 1/6 1/3 1/8 1/4 1/6 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level High nuclear charge Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level High nuclear charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy A lowering of entropy Increase in free energy A lowering of free energy An increase in Internal energy A lowering of entropy Increase in free energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Gold Iron Silver Copper Gold Iron Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.5 mole 0.2 mole 0.4 mole 0.25 mole 0.5 mole 0.2 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
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