Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Bauxite Magnetite Siderite Haematite Bauxite Magnetite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 6 7 4 3 6 7 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Sulphuric acid is consumed SO2 is evolved Lead sulphate is consumed Lead is formed Sulphuric acid is consumed SO2 is evolved Lead sulphate is consumed Lead is formed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Peat Bitumen Anthracite Lignite Peat Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP