Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Coal Kerosene Diesel Hydrogen Coal Kerosene Diesel Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Anthracite Bituminous Peat Lignite Anthracite Bituminous Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed SO2 is evolved Sulphuric acid is consumed Lead is formed Lead sulphate is consumed SO2 is evolved Sulphuric acid is consumed Lead is formed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? O2 H2 Cl2 SO2 O2 H2 Cl2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide Air ANSWER DOWNLOAD EXAMIANS APP