Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Sodium chloride Borax Saltpetre Hydrogen peroxide Sodium chloride Borax Saltpetre Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Chlorine Carbon dioxide Alcohol Sodium chloride Chlorine Carbon dioxide Alcohol Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Neutron Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is NO2 SO2 Lead Hg NO2 SO2 Lead Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/4 1/6 1/8 1/3 1/4 1/6 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Methane and ethane Liquified butane and isobutane Ethylene and carbon monoxide Hydrogen and acetylene Methane and ethane Liquified butane and isobutane Ethylene and carbon monoxide Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
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