Chemistry Gobar gas mainly contains Carbon monoxide Carbon dioxide Methane Hydrogen sulphide Carbon monoxide Carbon dioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead SO2 NO2 Hg Lead SO2 NO2 Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.78 0.21 1 0.01 0.78 0.21 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Oxalic acid Salycylic acid Acetic acid Formic acid Oxalic acid Salycylic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Hg None of these Mg Mr Hg None of these Mg Mr ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Positron Electron Neutron Proton Positron Electron Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
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