Chemistry The gas which emits from rice field is Methane Ethane All of these Nitrogen Methane Ethane All of these Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Oxygen Calcium Silicon Nitrogen Oxygen Calcium Silicon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Gold Cadmium Chromium Cobalt Gold Cadmium Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Nitrogen Phosphorous Potassium Silicon Nitrogen Phosphorous Potassium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Dolomite Lignite Peat Bituminous Dolomite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP