Chemistry Which one of the following is most acidic Al22O3 MgO CaO Na2O Al22O3 MgO CaO Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Remains the same Decreases Increases First increases and then decreases Remains the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Photochemical smog SO2 NO2 Dust particles Photochemical smog SO2 NO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Breast cancer Lung cancer Skin cancer Blood cancer Breast cancer Lung cancer Skin cancer Blood cancer ANSWER DOWNLOAD EXAMIANS APP
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