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