General Science Which metal pollute the air of a big city? Lead Chromium Cadmium Copper Lead Chromium Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
General Science Quartz crystals normally used in quartz clocks etc. is chemically Germanium Oxide Sodium Silicate A mixture of Germanium Oxide and Silicon dioxide Silicon Dioxide Germanium Oxide Sodium Silicate A mixture of Germanium Oxide and Silicon dioxide Silicon Dioxide ANSWER DOWNLOAD EXAMIANS APP
General Science The percentage of oxygen present in air is approximately- 0.23 0.4 0.21 0.44 0.23 0.4 0.21 0.44 ANSWER DOWNLOAD EXAMIANS APP
General Science What are the soaps? Salts of silicates Esters of heavy fatty acids Mixture of glycerol and alcohols Sodium or potassium salts of heavier fatty acids Salts of silicates Esters of heavy fatty acids Mixture of glycerol and alcohols Sodium or potassium salts of heavier fatty acids ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is commonly called a 'poly-amide'? Rayon Terylene Orlon Nylon Rayon Terylene Orlon Nylon ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following shows the masses of the three elementary particles in decreasing order? Leptons, Baryons, Mesons Baryons, Mesons, Leptons Leptons, Mesons Baryons Mesons, Baryons, Leptons Leptons, Baryons, Mesons Baryons, Mesons, Leptons Leptons, Mesons Baryons Mesons, Baryons, Leptons ANSWER DOWNLOAD EXAMIANS APP