Chemistry Hardest allotrope of carbon is Diamond Graphite Coke Lamp black Diamond Graphite Coke Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methane Acetic acid Methyl alcohol Oxygen Methane Acetic acid Methyl alcohol Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Commuting by public transport Recycling waste materials Using energy efficient appliances All of these Commuting by public transport Recycling waste materials Using energy efficient appliances All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS