Chemistry Which one out of the following helps in burning ? Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Helium Argon Nitrogen Hydrogen Helium Argon Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Aniline Acetylene Ethylene Propylene Aniline Acetylene Ethylene Propylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following produces highest amount of energy upon oxidation? An alkane Glucose Protein Fat An alkane Glucose Protein Fat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Hundred percent transmission Multiple internal reflections Highest refraction Multiple surface reflections Hundred percent transmission Multiple internal reflections Highest refraction Multiple surface reflections ANSWER DOWNLOAD EXAMIANS APP