Please judge which of the following statements are true;Aging reduces toxicity, but not eliminate riskOnly clay minerals are present in the soil clay size The solubility of heavy metals always decreases with increasing pHCH4 is a greenhouse gas emitted from wetlands, livestock, rice paddies and natural gasCH4 is an important O3 precursor under all atmospheric conditions.O3 mixing ratio usually peaks exactly at noontime.O3 is a secondary pollutant resulted from the photolysis of molecular oxygen in the troposphere.SO2 is an important precursor gas for PM5, acid deposition, and O3.PM5 is important because of its health, environmental and climatic effects.PM5 concentration always increases with increasing temperature.

Answered: Aging reduces toxicity, but not…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter8: Properties Of Gases

Section: Chapter Questions

Problem 95QRT

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Question

Please judge which of the following statements are true;

Aging reduces toxicity, but not eliminate risk
Only clay minerals are present in the soil clay size
The solubility of heavy metals always decreases with increasing pH
CH₄is a greenhouse gas emitted from wetlands, livestock, rice paddies and natural gas
CH₄is an important O₃ precursor under all atmospheric conditions.
O₃ mixing ratio usually peaks exactly at noontime.
O₃ is a secondary pollutant resulted from the photolysis of molecular oxygen in the troposphere.
SO₂is an important precursor gas for PM₅, acid deposition, and O₃.
PM₅is important because of its health, environmental and climatic effects.
PM₅concentration always increases with increasing temperature.

Expert Solution

Step 1

1. With span of time , the content of organic compounds in the soil ,becomes less available for consumption and hence the toxic effects are reduced , but the compounds are still present and it is risk So this statement is true.

2.In soilclay size only clay minerals are present.True.

3.The solubility of heavy metals always decreases with increasing ph.True

As at lower ph the of heavy metals are released into water than being absorbed , and hence solubility increases.

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