App Logo

No.1 PSC Learning App

1M+ Downloads
From which primary source does mercury primarily emanate?

ABattery manufacturing

BCoal combustion

CGasoline combustion

DPesticide production

Answer:

B. Coal combustion

Read Explanation:

  • Mercury primarily emanates from coal combustion, electric/light bulb, wood preservatives, leather tanning, ointments thermometers, adhesives and paints.

  • Cadmium often originates from industries like battery manufacturing, paint pigments, pesticides, galvanized pipes, plastics, polyvinyl and copper refineries.

  • Lead an extremely toxic metal, commonly originates from substances like Pb-based paints, gasoline and mobile batteries.

  • Chromium is emitted from a variety of industrial activities, including petroleum refining, electroplating, leather tanning, textile manufacturing, and pulp processing.


Related Questions:

Which of the following industries plays a major role in polluting air and increasing air pollution?

Which of the following statements accurately describes insecticides?

  1. Insecticides are substances primarily used to control fungal diseases in plants.
  2. Insecticides are chemicals designed to prevent, destroy, or kill insects.
  3. Examples of insecticides include Copper oxy chloride and Zinc phosphide.

    What is the role of Nitrogen Monoxide (NO) in atmospheric chemistry?

    1. NO is a significant precursor to ozone formation.
    2. NO directly contributes to acid rain formation.
    3. NO is a pollutant closely linked to asthma.
    4. NO helps in the removal of greenhouse gases from the atmosphere.
      Lead, an extremely toxic metal, commonly originates from which substance?
      What condition can lead to Radon concentrating in homes?