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Assertion (A) : Alkylated mercury is mor...

Assertion (A) : Alkylated mercury is more toxic than mercury.
Reason (R) : The toxicity of the pollutant depends upon the nature of speciation.

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NARAYNA-ENVIRONMENTAL CHEMISTRY-EXCERCISE - IV (Asseration - Reason Type Questions)
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  6. Assertion (A) : Excess amount of CO, in air is responsible for green h...

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  8. Green house effect is

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  11. Assertion (A) : Acid Rain water normally has a P^(H) of le 5.6. Rea...

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  12. Assertion (A) : The oxides of nitrogen and sulphur combine with rain w...

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  13. Assertion: The pH of aicd rain is less than 5.6 Reason: Carbon dioxi...

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  14. Assertion (A) : Acid rains have been reported in some places which are...

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  15. Assertion (A) : Aldehydes are one of the consituents of photochemical ...

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  16. A: Fluorosis results if F^(-) ion concentration exceeds 10 ppm in drin...

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  18. Assertion: If BOD level of water in a reservoir is less than 5 ppm it ...

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