Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Gold, Sodium and Potassium Nickel, Lead and Chromium Chromium, Copper and Nickel Gold, Sodium and Chromium Gold, Sodium and Potassium Nickel, Lead and Chromium Chromium, Copper and Nickel Gold, Sodium and Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Acetylene Vinyl chloride Propane Styrene Acetylene Vinyl chloride Propane Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Percentage of carbon in steel ranges from 3.0 to 4.0 4.0 to 6.0 1.5 to 3.0 0.1 to 1.5 3.0 to 4.0 4.0 to 6.0 1.5 to 3.0 0.1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spirit in contact with body gives cool sensation because it is : Liquid Transparent Highly volatile A good conductor Liquid Transparent Highly volatile A good conductor ANSWER DOWNLOAD EXAMIANS APP