Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 12 Zero 18 6 12 Zero 18 6 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
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.01 1 0.05 2 0.01 1 0.05 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Acetic acid Oxalic acid Citric acid Formic acid Acetic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by enzymes nucleotides RNA molecules DNA molecules enzymes nucleotides RNA molecules DNA molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Iron Steel Aluminium Gold Iron Steel Aluminium Gold ANSWER DOWNLOAD EXAMIANS APP