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