Chemistry The manufacture of iron from iron ore involves the process of Oxidation Reduction Fractional distillation Electrolysis Oxidation Reduction Fractional distillation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Podsols Acidic soils Saline soils Alkaline soils Podsols Acidic soils Saline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HF HCl HNO3 H2SO4 HF HCl HNO3 H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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