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