Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in H2O (2) N2O C12O OF2 H2O (2) N2O C12O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Sodium Magnesium Potassium Iron Sodium Magnesium Potassium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over slaked lime Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Chlorine over slaked lime Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Iron Gold Tungsten Platinum Iron Gold Tungsten Platinum ANSWER DOWNLOAD EXAMIANS APP
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