Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Hund Thomson Rutherford Sommerfeld Hund Thomson Rutherford Sommerfeld ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Fluorspar and Felspar Hydrofluosilicic Acid Difluoro Dichloro Methane Calcium Tetra Fluoride Fluorspar and Felspar Hydrofluosilicic Acid Difluoro Dichloro Methane Calcium Tetra Fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Beryllium Aluminium Magnesium Potassium Beryllium Aluminium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons can be accommodated in d-orbital 10 6 3 8 10 6 3 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Increases Decreases Remains unchanged Does not follow a definite pattern Increases Decreases Remains unchanged Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP