Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe2O3 FeS2 FeCO3 Fe3O4 Fe2O3 FeS2 FeCO3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Methyl Methacrylate Polyvinyl Chloride Nylon Polythene Methyl Methacrylate Polyvinyl Chloride Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP
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