Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 0.01 mg/m3 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 112 118 127 115 112 118 127 115 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO, CO2 and SO2 CO2, NO2 and SO3 NO, SO3 and H2S CO2, H2S and NO2 CO, CO2 and SO2 CO2, NO2 and SO3 NO, SO3 and H2S CO2, H2S and NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Detergent Dilute acid Liquid soap Ordinary soap Detergent Dilute acid Liquid soap Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Sea water River water Rain water Distilled water Sea water River water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with Teflon Silicon Graphite PVC Teflon Silicon Graphite PVC ANSWER DOWNLOAD EXAMIANS APP
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