Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Gold Mercury Iron Platinum Gold Mercury Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Curd is sour due to presenceof Acetic acid Oxalic acid Lactic acid Tartaric acid Acetic acid Oxalic acid Lactic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Nickel Sulphur Zinc Chromium Nickel Sulphur Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP