Chemistry Hydrogen is not found in atmosphere because It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Coal fire Burning garbage Steam engine Burning coal Coal fire Burning garbage Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ni Ti Fe Pb Ni Ti Fe Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its ignition temperature is very high Its critical temperature is low Its critical temperature is high Its ignition temperature is very low Its ignition temperature is very high Its critical temperature is low Its critical temperature is high Its ignition temperature is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Uranium Thorium Zirconium Plutonium Uranium Thorium Zirconium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by All of these Using energy efficient appliances Recycling waste materials Commuting by public transport All of these Using energy efficient appliances Recycling waste materials Commuting by public transport ANSWER DOWNLOAD EXAMIANS APP