Chemistry Burning pyrites ore gives out Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Bohr and Rutherford Volta Alfred Nobel Faraday Bohr and Rutherford Volta Alfred Nobel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Potassium Silicon Phosphorous Nitrogen Potassium Silicon Phosphorous Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Urea Ammonia Ammonium Nitrate Uric Acid Urea Ammonia Ammonium Nitrate Uric Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Contact bed Percolating filter Intermittent sand filter Trickling filter Contact bed Percolating filter Intermittent sand filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction ANSWER DOWNLOAD EXAMIANS APP
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