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 German silver used for making utensils is an alloy of Copper, zinc, aluminium Copper, zinc, nickel Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, aluminium Copper, zinc, nickel Copper, nickel, aluminium Copper, silver, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides Potassium salts of higher fatty-acids Hydrocarbons of petroleum Sodium salts of higher fattyacids Glycerides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : Iso-octane 2,2-dimethyl hexane 2-methyl heptane N-heptane Iso-octane 2,2-dimethyl hexane 2-methyl heptane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Negative Zero Depends on whether the reaction is exothermic or endothermic Positive Negative Zero Depends on whether the reaction is exothermic or endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Amytal Nembutal Veronal Equanil Amytal Nembutal Veronal Equanil ANSWER DOWNLOAD EXAMIANS APP
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