Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Iron Magnesium Oxygen Silicon Iron Magnesium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.27 0.18 0.305 0.25 0.27 0.18 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride All listed here Silver Iodide Dry ice or frozen carbon dioxide Sodium Chloride All listed here Silver Iodide Dry ice or frozen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Nitric oxide Sulphur dioxide Peroxyacetyl nitrate Carbon dioxide Nitric oxide Sulphur dioxide Peroxyacetyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Acid rain Oil spill Carbon dioxide Radioactive waste Acid rain Oil spill Carbon dioxide Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
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