Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Mercury Platinum Gold Iron Mercury Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Calcite Cryolite Bauxite Haematite Calcite Cryolite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Chromium Lead Cadmium Copper Chromium Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 12600 kJ/kg 47000 kJ/kg 14600 kJ/kg 39400 kJ/kg 12600 kJ/kg 47000 kJ/kg 14600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Ether Alcohol Kerosene oil Oxalic acid Ether Alcohol Kerosene oil Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? CO NO SO2 PAN CO NO SO2 PAN ANSWER DOWNLOAD EXAMIANS APP