Chemistry Ruby and sapphire are oxides of Copper Tin Iron Aluminium Copper Tin Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Erosion Abrasion Corrosion Passivation Erosion Abrasion Corrosion Passivation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Reduction Oxidation Electrolysis Fractional distillation Reduction Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P2 P4 P3 P1 P2 P4 P3 P1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain reflecting surface The molecules in them are very close to each other The molecules in them collide very freely They contain free electrons They contain reflecting surface The molecules in them are very close to each other The molecules in them collide very freely They contain free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are narcotics lead in bullets contrabands genuine coins from counterfeit coins narcotics lead in bullets contrabands genuine coins from counterfeit coins ANSWER DOWNLOAD EXAMIANS APP
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