Chemistry Browning of paper in old books is caused by Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Green house gas present in air Pollutant gas, present in air Suspended solid particles in air Microbes, present in air Green house gas present in air Pollutant gas, present in air Suspended solid particles in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Ester Aldehyde Ether Alcohol Ester Aldehyde Ether Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is magnetite bauxite haematite monazite magnetite bauxite haematite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Ethane All of these Methane Nitrogen Ethane All of these Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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