Chemistry Aluminium can be purified by Distillation Ozonolysis Oxidation Electrolysis Distillation Ozonolysis Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Copper Iron Zinc Lead Copper Iron Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Physical change Electrical change Electrochemical change None of these Physical change Electrical change Electrochemical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Butane Ethane Methane Propane Butane Ethane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.509 0.727 0.658 0.305 0.509 0.727 0.658 0.305 ANSWER DOWNLOAD EXAMIANS APP
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