Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Sommerfeld Thomson Hund Rutherford Sommerfeld Thomson Hund Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Red phosphorus White phosphorus Black phosphorus Violet phosphorus Red phosphorus White phosphorus Black phosphorus Violet phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3200°C 3600°C 2800°C 4000°C 3200°C 3600°C 2800°C 4000°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium nitrate Urea Ammonium sulphate Calcium citrate Ammonium nitrate Urea Ammonium sulphate Calcium citrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Coal fire Burning coal Steam engine Burning garbage Coal fire Burning coal Steam engine Burning garbage ANSWER DOWNLOAD EXAMIANS APP
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