Chemistry The most abundant element in the human body is Iron Nitrogen Oxygen Carbon Iron Nitrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Aluminium Tin Copper Iron Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Nitrates Amino acids Nitrogenase Ammonia Nitrates Amino acids Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Butane Methane Ethane Propane Butane Methane Ethane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is nitrogen hydrogen oxygen carbon nitrogen hydrogen oxygen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 54 kelvin 77 kelvin 97 Kelvin 82 Kelvin 54 kelvin 77 kelvin 97 Kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP
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