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