Chemistry By-product obtained by soap industry is Caustic potash Caustic soda Naphthalene Glycerol Caustic potash Caustic soda Naphthalene Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Sodium Carbonate H2SO4 HCl Pure Water Sodium Carbonate H2SO4 HCl Pure Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Steel Graphite Glass Brass Steel Graphite Glass Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Dioxide Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide Hydrogen Marsh gas Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 CO2, H2S and NO2 CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 ANSWER DOWNLOAD EXAMIANS APP