Chemistry Threshold limit value of copper in the atmospheric air is 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Boron Oxygen Helium Carbon Boron Oxygen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Physical change None of these Electrochemical change Electrical change Physical change None of these Electrochemical change Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Copper and iron Carbon and tin Zinc and lead Tin and lead Copper and iron Carbon and tin Zinc and lead Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrous oxide Nitric oxide Nitrite Nitrate Nitrous oxide Nitric oxide Nitrite Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog Dust particles NO2 SO2 Photochemical smog Dust particles NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP