Chemistry The metal ion present in Vitamin B12 is Zinc Iron Cobalt Nickel Zinc Iron Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Al22O3 CaO MgO Na2O Al22O3 CaO MgO Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Citric acid Sulphuric acid Oxalic acid Lactic acid Citric acid Sulphuric acid Oxalic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S Na P Ag S Na P Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas ANSWER DOWNLOAD EXAMIANS APP
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