Chemistry Which of the following is not a noble gas ? Helium Neon Argon Hydrogen Helium Neon Argon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 1 gram of molecule 5 gram of molecule 0.5 gram of molecule 10 gram of molecule 1 gram of molecule 5 gram of molecule 0.5 gram of molecule 10 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Carbon dioxide Nitrogen Argon Oxygen Carbon dioxide Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca Na K Cs Ca Na K Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Ozone Nitric acid Sulphuric acid Carbon monoxide Ozone Nitric acid Sulphuric acid Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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