Chemistry In which of the following states maximum iron ore is found ? Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Spin quantum number Principal quantum number Azimuthal quantum number Magnetic quantum number Spin quantum number Principal quantum number Azimuthal quantum number Magnetic quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated aromatic compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Nitrous oxide Methane Carbon dioxide Chlorofluorocarbons Nitrous oxide Methane Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Limonite Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
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