Chemistry Ultra purification of a metal is done by : Smelting Leaching Zone melting Slugging Smelting Leaching Zone melting Slugging 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? Zinc Silver Copper Nickel Zinc Silver Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Inductive effect Resonance effect Hyper conjugative effect All of them Inductive effect Resonance effect Hyper conjugative effect All of them 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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