Chemistry Ultra purification of a metal is done by : Slugging Smelting Zone melting Leaching Slugging Smelting Zone melting Leaching 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? Nickel Zinc Copper Silver Nickel Zinc Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Hyper conjugative effect All of them Resonance effect Inductive effect Hyper conjugative effect All of them Resonance effect Inductive effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol-1 let-1 Mol2 let-1 Mol2 let-2 Mol-1 let-2 Mol-1 let-1 Mol2 let-1 Mol2 let-2 Mol-1 let-2 ANSWER DOWNLOAD EXAMIANS APP
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