Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Corrosion Cancer Asphyxiation Bronchitis Corrosion Cancer Asphyxiation Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Thorium Protactinium Mercury Uranium Thorium Protactinium Mercury Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Electrophoresis Filteration Precipitation Sedimentation Electrophoresis Filteration Precipitation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Sodium chloride Hydrogen peroxide Saltpetre Borax Sodium chloride Hydrogen peroxide Saltpetre Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO CO Hydrocarbons CO2 NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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