Chemistry Galvanization of iron is carried out using Chromium Tin Copper Zinc Chromium Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Diesel Coal-tar Charcoal Camphor Diesel Coal-tar Charcoal Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a carbohydrate ? Cane-sugar Turpentine Hydrogen peroxide Nylon Cane-sugar Turpentine Hydrogen peroxide Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Sodium chloride Silver bromide Aluminium hydroxide Potassium nitrate Sodium chloride Silver bromide Aluminium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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