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