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? 1/3 1/6 1/4 1/8 1/3 1/6 1/4 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Freon Carbon monoxide Chloro fluorocarbon Carbon dioxide Freon Carbon monoxide Chloro fluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Hair falling Arthritis Kidney damage Eye disease Hair falling Arthritis Kidney damage Eye disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 30 KJ 1 KJ 29 KJ 39 KJ 30 KJ 1 KJ 29 KJ 39 KJ ANSWER DOWNLOAD EXAMIANS APP