Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver iodide Silver chloride Silver bromide Sodium chloride Silver iodide Silver chloride Silver bromide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sewer Sludge Sewage Scum Sewer Sludge Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleus of an atom consists of. Proton Electron, Proton and Neutron Proton and Neutron Neutron Proton Electron, Proton and Neutron Proton and Neutron Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Uranium Geothermal powder Natural gas Coal Uranium Geothermal powder Natural gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Ozone Nitric acid Sulphuric acid Carbon monoxide Ozone Nitric acid Sulphuric acid Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS