Chemistry The lustre of the metals is because of Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Ozonolysis Distillation Oxidation Electrolysis Ozonolysis Distillation Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.4 mole 0.2 mole 0.25 mole 0.5 mole 0.4 mole 0.2 mole 0.25 mole 0.5 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 SO2 Chlorogluorocarbons NO NO2 SO2 Chlorogluorocarbons NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Zn Fe Ca Ag Zn Fe Ca Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not contain Silver ? Lunar Caustic Ruby Silver German Silver Horn Silver Lunar Caustic Ruby Silver German Silver Horn Silver ANSWER DOWNLOAD EXAMIANS APP