Heavy Metal Contamination
Chemistry ⇒ Environmental Chemistry
Heavy Metal Contamination starts at 10 and continues till grade 12.
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See sample questions for grade 11
A river near an industrial area is found to have high levels of lead and cadmium. Suggest two possible sources for these contaminants.
Describe one way in which heavy metal contamination can affect aquatic ecosystems.
Describe the role of chelating agents in the treatment of heavy metal poisoning.
Describe two major sources of heavy metal contamination in the environment.
Explain the difference between bioaccumulation and biomagnification in the context of heavy metal contamination.
Explain why children are more vulnerable to heavy metal poisoning than adults.
Explain why heavy metals are considered non-biodegradable pollutants.
List two health effects of arsenic exposure in humans.
