Chemistry Main source of lead pollution is from Leaded gasoline Tobacco Sewage Insecticides Leaded gasoline Tobacco Sewage Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Glycerine Kerosene oil Fats Alcohol Glycerine Kerosene oil Fats Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Bronze Silver Brass Copper Bronze Silver Brass Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid Hydrochloric acid Nitric acid Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Copper Iron Zinc Lead Copper Iron Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Corrosion Abrasion Passivation Erosion Corrosion Abrasion Passivation Erosion ANSWER DOWNLOAD EXAMIANS APP
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