Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Crystal violet Phenolphthalein Aniline blue Alizarin Crystal violet Phenolphthalein Aniline blue Alizarin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Wrought iron Cast iron Pig iron Steel Wrought iron Cast iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Corrosion Erosion Passivation Abrasion Corrosion Erosion Passivation Abrasion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Cyanide Calcium Carbonate Calcium Carbide Calcium Sulphate Calcium Cyanide Calcium Carbonate Calcium Carbide Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
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