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 electropositive character Its non-metallic character Its affinity for non-metal Its reducing character Its electropositive character Its non-metallic character Its affinity for non-metal Its reducing character ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because 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 It is highly inflammable It is the lightest gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Nitrogen Oxygen Helium Hydrogen Nitrogen Oxygen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Methane Carbonic Acid Water Ammonia Methane Carbonic Acid Water ANSWER DOWNLOAD EXAMIANS APP
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