Chemistry "Paramagnetism" is the property of Unpaired electrons Completely filled electronics subshells Completely vacant electronic subshells Paired electrons Unpaired electrons Completely filled electronics subshells Completely vacant electronic subshells Paired electrons ANSWER DOWNLOAD EXAMIANS APP
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? 1/6 1/8 1/3 1/4 1/6 1/8 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 88 314 50 138 88 314 50 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Chloro fluorocarbon Freon Carbon dioxide Carbon monoxide Chloro fluorocarbon Freon Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Global warming Carbon dioxide ferilization effect Oxygen fertilization effect Depletion of ozone layer in the stratosphere Global warming Carbon dioxide ferilization effect Oxygen fertilization effect Depletion of ozone layer in the stratosphere ANSWER DOWNLOAD EXAMIANS APP
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