Chemistry The most abundant rare gas in the atmosphere is He Xe Ar Ne He Xe Ar Ne ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in H2O (2) OF2 N2O C12O H2O (2) OF2 N2O C12O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Decane Propane Methane Butane Decane Propane Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Iron Steel Aluminium Gold Iron Steel Aluminium Gold ANSWER DOWNLOAD EXAMIANS APP
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