Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 8 Zero –4 4 8 Zero –4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.305 0.25 0.18 0.27 0.305 0.25 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Nitrogen Helium Methane Propane Nitrogen Helium Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Remains the same First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases Increases 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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