Chemistry Which of the following elements is found in all organic compounds Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen Carbon Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Three bonds Two bonds Four bonds One bond Three bonds Two bonds Four bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Salt Lactic acid Vinegar Citric acid Salt Lactic acid Vinegar Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Peat Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen dioxide Nitric oxide Nitrogen pentoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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