Chemistry Which is the highest quality of hard coal? Peat Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Carbondioxide Nitrogen Sulphurdioxide Oxygen Carbondioxide Nitrogen Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus Proton Neutron Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of sulphonic acids None of these Sodium salts of fatty acids Sodium salt of benzoic acid Sodium salts of sulphonic acids None of these Sodium salts of fatty acids Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda boiling adding sodium carbonate distillation adding caustic soda boiling adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
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