Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Hund Sommerfeld Rutherford Thomson Hund Sommerfeld Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Gasoline LPG Distilled water Air Gasoline LPG Distilled water Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Cations Isotopes Higgs-boson Anions Cations Isotopes Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to NO2 N2O SO2 SO3 NO2 N2O SO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
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