Question

Most hazardous metal pollutant of the automobile exhaust is

Lead
Mercury
Calcium
Copper

Answer 1

Mercury is considered to be most harmful since it has low melting point and used in thermometer bcaz of their toxic nature they are advised to handle with care.. Incase of mixing of Pb(mercury) with water bodies.. It could enter the food cycle and cause harmful effects to the consumers..

Hope its useful

Answer 2

Answer:

Lead is the most hazardous metal pollutant in the automobile exhaust.

Explanation:

• The most hazardous metal pollutant is lead.
• It is from the automobile exhaust.
• It is highly toxic.
• It contaminates the environment extensively and results in tremendous health problems.
• It can even get into the food chain and cause heart diseases.
• When there is exposure to high levels of lead it may cause anaemia weakness, and kidney and brain damage.

Hence, lead is the most dangerous metal pollutant in the automobile exhaust.

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