Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Hydrogen Methane Ethanol Butane Hydrogen Methane Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used for cloud seeding for artificial rains is Silver Nitrate Potassium Nitrate Silver Iodide Potassium Bromide Silver Nitrate Potassium Nitrate Silver Iodide Potassium Bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 x/6 7.2 x 5x 5x/36 x/6 7.2 x 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Completely vacant electronic subshells Completely filled electronics subshells Paired electrons Unpaired electrons Completely vacant electronic subshells Completely filled electronics subshells Paired electrons Unpaired electrons ANSWER DOWNLOAD EXAMIANS APP
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