Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Silicon Magnesium Oxygen Iron Silicon Magnesium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbide Calcium carbonate Calcium sulphide Calcium chloride Calcium carbide Calcium carbonate Calcium sulphide Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Nitrogen Helium Hydrogen Chlorine Nitrogen Helium Hydrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Detergent Dilute acid Ordinary soap Liquid soap Detergent Dilute acid Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus A bacterium Lichen An alga A fungus A bacterium Lichen An alga ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Erosion Passivation Abrasion Corrosion Erosion Passivation Abrasion Corrosion ANSWER DOWNLOAD EXAMIANS APP
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