General Knowledge - General Science - Discussion

Discussion Forum : General Science - Elements and Metals (Q.No. 54)
54.
Which metal pollute the air of a big city?
Copper
Chromium
Lead
Cadmium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 1 of 2.

Nishita sharma said:   11 months ago
Lead is a poisonous gas.

Debasis said:   6 years ago
Due to the presence of tetra ethyl lead as an anti knocking agent present in petroleum product.
(1)

Kalyani said:   7 years ago
Lead is a poisonous gas.

Vishal Kumar said:   1 decade ago
In Automobile industries, poisonous gas containing mixture of lead compounds and hydrogen compounds pollute the city, and if inhaled, they can be lethal.

APR said:   1 decade ago
Big City = Big Vehicles & Many Vehicles => More Petrol Consumption = More Lead = Pollution & Disease like.

1. Nervous and reproductive systems problems.

2. Kidneys.

3. Can cause high blood pressure.

4. Anemia.

5. Lead accumulates in the bones, lead poisoning may be diagnosed from blue line around the gums.

6. Lead is especially harmful to the developing brains of foetuses and young children and to Pregnant women.

7. Lead interferes with the metabolism of calcium and Vitamin D.

8. High blood lead levels in children can cause consequences which may be irreversible including Learning disabilities, behavioural problems, and mental retardation.

9. Very high levels, lead can cause convulsions, coma and death.

[Lead is a metal with no known biological benefit to humans].
(1)

Pavan said:   1 decade ago
Lead is lavish in polluting the ambient area of cities because it has heaviest particulate to react time and again quickly.

Jayesh nj said:   1 decade ago
Lead is used in petrol. That's why big cities are polluting by air pollution.

Anuvind Asok said:   1 decade ago
Even tiny amounts of lead leads to plumbism. It is also considered as a carcinogen. (brain tumor, cancer).

Mehjabeen karim said:   1 decade ago
Lead is a toxic element that cause pollution and cause breathlessness.

Anushka chauhan said:   1 decade ago
Lead is very toxic and produces poisonous gas on burning in present of oxygen which is harmful for our health and polluted our big cities.


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