Which of the following pollutants is a heavy metal?

Practice Questions

Q1
Which of the following pollutants is a heavy metal?
  1. Lead
  2. Carbon Monoxide
  3. Nitrogen Dioxide
  4. Sulfur Dioxide

Questions & Step-by-Step Solutions

Which of the following pollutants is a heavy metal?
  • Step 1: Understand what a heavy metal is. Heavy metals are metallic elements with high densities that can be toxic at low concentrations.
  • Step 2: Identify common heavy metals. Examples include lead, mercury, cadmium, and arsenic.
  • Step 3: Look at the list of pollutants provided in the question. Check if any of them match the examples of heavy metals.
  • Step 4: Confirm that lead is one of the pollutants listed and is classified as a heavy metal.
  • Step 5: Conclude that lead is a heavy metal that can be harmful to both humans and the environment.
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