Chemistry Zone refining is used for the purification of Au Ag Ge Cu Au Ag Ge Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Methoxy benzoic acid Acetyl Salicilic acid Methyl Salicilate Phenyl Salicilate Methoxy benzoic acid Acetyl Salicilic acid Methyl Salicilate Phenyl Salicilate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Argon Neon Helium Krypton Argon Neon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is magnesite dolomite calcite carnallite magnesite dolomite calcite carnallite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen Non-combustible More abundant than hydrogen More stable Lighter than hydrogen Non-combustible More abundant than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
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