Chemistry Ultra purification of a metal is done by : Zone melting Slugging Leaching Smelting Zone melting Slugging Leaching Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide 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 Hyper conjugative effect Resonance effect Inductive effect All of them Hyper conjugative effect Resonance effect Inductive effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol2 let-2 Mol2 let-1 Mol-1 let-2 Mol-1 let-1 Mol2 let-2 Mol2 let-1 Mol-1 let-2 Mol-1 let-1 ANSWER DOWNLOAD EXAMIANS APP
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