Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Bleach Deactivated nitrogen Alum Activated carbon Bleach Deactivated nitrogen Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Carbon Monoxide Nitrogen Chloro fluoro carbons Carbon dioxide Carbon Monoxide Nitrogen Chloro fluoro carbons Carbon dioxide 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 Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it Brown bottles stops the passage of light through it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 2 : 16 : 1 1 : 1 : 1 1 : 16 : 2 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
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