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