Chemistry Ultra purification of a metal is done by : Zone melting Smelting Leaching Slugging Zone melting Smelting Leaching Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the electroplating of gold, the electrolyte used is Gold chloride Gold nitrate Potassium aurocyanide Gold sulphate Gold chloride Gold nitrate Potassium aurocyanide Gold sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vegetable oils does not contain essential fatty acids ? Coconut oil Mustard oil Sunflower oil Groundnut oil Coconut oil Mustard oil Sunflower oil Groundnut oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Copper and chromium Chromium and nickel Manganese and copper Copper and nickel Copper and chromium Chromium and nickel Manganese and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here ANSWER DOWNLOAD EXAMIANS APP
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