Chemistry Ultra purification of a metal is done by : Leaching Zone melting Slugging Smelting Leaching Zone melting Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogen sulphide Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide Hydrogenated wafers Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Silver Zinc Nickel Copper Silver Zinc Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to All of them Inductive effect Hyper conjugative effect Resonance effect All of them Inductive effect Hyper conjugative effect Resonance effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-1 Mol-1 let-2 Mol2 let-2 Mol-1 let-1 Mol2 let-1 Mol-1 let-2 Mol2 let-2 Mol-1 let-1 ANSWER DOWNLOAD EXAMIANS APP