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