Chemistry A balloon filled with helium rises in air because Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Gasoline Air LPG Distilled water Gasoline Air LPG Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Zinc Radium Thorium Plutonium Zinc Radium Thorium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Threshold energy Free energy Activation energy Internal energy Threshold energy Free energy Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is No sloping No maintenance Stagnation of water on road Heavy traffic No sloping No maintenance Stagnation of water on road Heavy traffic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Nitrogen Carbon Monoxide Chloro fluoro carbons Carbon dioxide Nitrogen Carbon Monoxide Chloro fluoro carbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP