Chemistry Which one of the following is a micro-element ? Nitrogen Hydrogen Oxygen Chlorine Nitrogen Hydrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in C12O OF2 N2O H2O (2) C12O OF2 N2O H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Iron Nitrogen Oxygen Carbon Iron Nitrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Gasoline Air LPG Distilled water Gasoline Air LPG Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Vulcanization Galvanization Alloy formation Zinc plating Vulcanization Galvanization Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Tin Platinum Lead Coal Tin Platinum Lead Coal ANSWER DOWNLOAD EXAMIANS APP
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