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The concentration of fluoride, lead, nit...

The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb,40 ppb,100 ppm and 0.2 ppm, respectively. This water is unsuitable for drinking due to high concentration of

A

Fluoride

B

Lead

C

Nitrate

D

Iron

Text Solution

Verified by Experts

The correct Answer is:
C
The permissible limit of nitrate in water is about 50 ppm. Hence the concentration of `NO_3^(-)` ions in a given water sample exceeds from the permissible limit. The higher concentration of `NO_3^(-)` ions in water may cause blue baby syndrome disease.
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MODERN PUBLICATION-ENVIRONMENTAL POLLUTION -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS (B. MULTIPLE CHOICE QUESTIONS ))
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  2. The wrong statement among the following is :

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  3. The concentration of fluoride, lead, nitrate and iron in a water sampl...

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  4. Which one of the following is not a common component of photochemical ...

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  5. A water sample has ppm level concentration of following anions F^(-)...

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  6. Green fuel is the obtained from

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  7. Which of the following is present in maximum amount in acid rain ?

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  8. The recommended concentration of fluoride ion in drinking water is up ...

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  9. The molecule that has minimum/no role in the formation of photochemica...

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  10. Water samples with BOD values of 4 ppm and 18 ppm, respectively a...

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  11. Eutrophication causes

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  12. pH of rain water is approximately

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  13. Peroxyacety nitrate (PAN) ,an eye irritant is produced by :

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  15. The primary pollutant that leads to photochemical smog is :

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  16. The concentration of dissolved oxygen (DO) in cold water can go upto:

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  17. The maximum prescribed concentration of copper in drinking water is:

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  18. Taj Mahal is being slowly disfigured and discoloured. This is prima...

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  19. The correct set of species responsible for the photochemical smog is:

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  20. The compound that is NOT a common component of photochemical smog is ...

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