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