CHEM 1002 : Chem 1002 Ch 20
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Chapter 20: choose the correct statement from the choices involving detecting pollutants in water. __ a. bod measures water pollution directly by measuring the amount of oxygen which is consumed by hazardous bacteria contaminating the water sample. __ c. if a water sample has a very high bod level then it is contaminated with. __ d. an atomic absorbtion spectrometer (aa) can be used to determine the quantity of biodegradable organic chemicals. organic chemicals in a water sample. __ e. bod directly measures the amount of biodegradable organic compounds dissolved in a water sample. osmosis: choose the correct statement from the choices below regarding purifying water contaminated with various pollutants. __ a. bacteria are most effectively removed from home drinking water using reverse. Too high a concentration of nitrogen compounds like ammonia (nh3 ) are most effectively removed from water samples using deammonifying bacteria.
