Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its reducing character Its non-metallic character Its affinity for non-metal Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal Its electropositive character ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium phosphate Calcium oxide Calcium phosphate Sodium silicate Sodium phosphate Calcium oxide Calcium phosphate Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is carbon dioxide sodium chlorine chlorine alcohol carbon dioxide sodium chlorine chlorine alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Limestone Marble Chalk Slaked lime Limestone Marble Chalk Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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