Chemistry The number of waves in n x 10th Bohr's orbit are n-2 n n2 n3 n-2 n n2 n3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Smog Fog Sleet Mist Smog Fog Sleet Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and copper Lead and antimony Lead and zinc Lead and bismuth Lead and copper Lead and antimony Lead and zinc Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.4 mole 0.5 mole 0.2 mole 0.25 mole 0.4 mole 0.5 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Acetylene Propylene Ethylene Methane Acetylene Propylene Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP
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