Chemistry Aluminium can be purified by Oxidation Ozonolysis Electrolysis Distillation Oxidation Ozonolysis Electrolysis Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Teflon Napthalene Graphite Diamond Teflon Napthalene Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Copper Gold Sodium Silver Copper Gold Sodium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Aluminium Silver Zinc Copper Aluminium Silver Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.01 0.05 1 2 0.01 0.05 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Phosphorous Carbon Sulphur Bromine Phosphorous Carbon Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
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