Chemistry Which gas is most stable at room temperature H2 N2 F2 O2 H2 N2 F2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Cryolite Calcite Bauxite Haematite Cryolite Calcite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 2800°C 4000°C 3600°C 3200°C 2800°C 4000°C 3600°C 3200°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane ozone oxygen helium methane ozone oxygen helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is 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 Its non-metallic character ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 0.94 0.03 78.03 85.02 0.94 0.03 78.03 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS