Chemistry The iron ore magnetite consists of 3Fe2O3 .. 3H2O Fe2O3 Fe3OH4 FeCO3 3Fe2O3 .. 3H2O Fe2O3 Fe3OH4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Alfred Nobel Volta Bohr and Rutherford Faraday Alfred Nobel Volta Bohr and Rutherford Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Methane Carbon monoxide Sulphur dioxide Nitrogen dioxide Methane Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP
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