Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Iron Silicon Oxygen Magnesium Iron Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Reduction Fractional distillation Electrolysis Oxidation Reduction Fractional distillation Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–2 – 10–4 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–1 – 10–2 cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–1 – 10–2 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? Cl2 SO2 O2 H2 Cl2 SO2 O2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Napthalene Teflon Diamond Graphite Napthalene Teflon Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Electron affinity Excitation potential Electronegativity Ionization energy Electron affinity Excitation potential Electronegativity ANSWER DOWNLOAD EXAMIANS APP