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Which of the following is a primary poll...

Which of the following is a primary pollutant?

A

`H_2SO_4`

B

Acrolein

C

Formaldehyole

D

CO

Text Solution

Verified by Experts

The correct Answer is:
D
CO
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-PRACTICE SHEET (STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. Identify the secondary pollutant among the following

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  2. Which of the following is a primary pollutant?

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  3. Which of the following is most toxic ?

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  4. In which region of atmosphere, lowest temperatures are observed?

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  5. Global warming of the atmosphere due to trapping of radiation of long ...

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  6. Composition of PAN is

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  7. Among the following which is a contaminent

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  8. Which of the following is contaminant responsible for Bhopal gas trage...

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  9. A substance which is not present in nature but added to atmoshphere du...

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  10. Identification of a pollutant as organic, inorgamic (or) organometalli...

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  11. The medium which reacts with pollutant is caned

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  12. The sink for dead plants and animals is

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  13. Three samples of water A, Band C have the D.O levels of 4 ppm, and 3.8...

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  14. A good quality of water will have

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  15. The amount of oxygen required to oxidise organic substance present in ...

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  16. Chemical oxygen demand is determined by using

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  17. The TLV values of four pollutants A, B, C and Dare 9ppm, 10ppm, 100ppm...

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  18. 100 ml of a sample of water requires 0.98mg of K(2)(M.W.= 294 ) in pr...

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  19. A sample of pond water containing 20mg of organic matter requires 16 m...

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  20. COD of a water sample is 8ppm the weight of acidified K(2)Cr(2) O(7) r...

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