Chemistry Ultra purification of a metal is done by : Leaching Smelting Slugging Zone melting Leaching Smelting Slugging Zone melting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher densities Higher atomic radii Higher atomic masses Higher atomic numbers Higher densities Higher atomic radii Higher atomic masses Higher atomic numbers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water May either increase or decrease depending on the process used Decreases Does not change Increases May either increase or decrease depending on the process used Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is liberated Temperature decreases No heat change takes place Heat is absorbed Heat is liberated Temperature decreases No heat change takes place Heat is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Deforestation All of these Rapid industrialization Increased transportation activity Deforestation All of these Rapid industrialization Increased transportation activity ANSWER DOWNLOAD EXAMIANS APP
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