Chemistry Which of the following gases will effuse out of football bladder most quickly ? O2 He H2 N 2 O2 He H2 N 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its non-metallic character Its reducing character Its electropositive character Its affinity for non-metal Its non-metallic character Its reducing character Its electropositive character Its affinity for non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Hydrogen Nitrogen Oxygen Helium Hydrogen Nitrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Carbonic Acid Water Methane Ammonia Carbonic Acid Water Methane ANSWER DOWNLOAD EXAMIANS APP