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