Chemistry Which one is heaviest naturally-occurring element of the periodic element Uranium Thorium Iron Rhodium Uranium Thorium Iron Rhodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is chlorine alcohol carbon dioxide sodium chlorine chlorine alcohol carbon dioxide sodium chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg K Na Ca Mg K Na Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O OF2 H2O (2) C12O N2O OF2 H2O (2) C12O ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Oxygen Silicon Iron Magnesium Oxygen Silicon Iron ANSWER DOWNLOAD EXAMIANS APP
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