Environmental Chemistry NCERT PDF Free Download, Class 12, Class 11, Solutions, Notes Pdf, Hindi.
Environmental Chemistry NCERT PDF Free Download
Without Knowledge Or Conscience, The World Has Attained Brilliance. Our World Is Made Up Of Nuclear Giants And Morally Immature People.
In Prior Lessons, You Have Already Examined The Environment. Environmental Studies Examine All Of The Social, Economic, Biological, Physical, And Chemical Interactions Between Humans And Their Environment.
Environmental Chemistry Will Be The Main Topic Of This Unit. The Study Of The Origin, Movement, Reactions, Outcomes, And Fates Of Chemical Species In The Environment Is Known As Environmental Chemistry. Let’s Talk About A Few Crucial Environmental Chemistry Topics.
The Result Of Unwelcome Changes In Our Environment, Environmental Pollution Is Hazardous To Humans, Animals, And Plants. A Pollutant Is A Substance That Contributes To Pollution. Pollutants Are Compounds That Are Present In Higher Concentrations Than They Do Naturally And Are Created By Either Human Activity Or Natural Occurrences.
They Might Be Solid, Liquid, Or Gaseous Substances. Need You Know That The Typical Person Needs 12–15 Times More Air Than They Do Food? Therefore, Even Minute Quantities Of Air Contaminants Become Substantial When Compared To Comparable Levels Found In Food.
Pollutants May Be Biodegradable, Such As Leftover Vegetables That Naturally Decompose Quickly. Pollutants That Degrade Slowly, On The Other Hand, Persist In The Environment For A Very Long Time. For Instance, Once Released Into The Environment, Compounds Like Dichlorodiphenyltrichloroethane (Ddt), Plastics, Heavy Metals, Many Chemicals, Nuclear Wastes, Etc., Are Difficult To Remove.
These Contaminants Injure Living Things And Cannot Be Broken Down By Natural Mechanisms. Pollutants Come From A Source, Travel Via Air, Water, Or Are Thrown Into The Ground By People In The Process Of Environmental Contamination.
Moisture Pollution
At Different Altitudes, The Earth’s Atmosphere Is Not The Same Thickness. Each Of The Air’s Or Areas’ Concentric Layers Has A Distinct Density. The Troposphere Is The Lowest Layer Of The Atmosphere, Where Humans And Other Species Reside.
It Rises Around 10 Kilometres Above Sea Level. The Stratosphere Is Located Between 10 And 50 Km Above Sea Level, Above The Troposphere.
The Troposphere Is A Chaotic, Dusty Region That Is Home To Clouds, A Lot Of Water Vapour, And Air. Strong Air Movement And Cloud Development Occur In This Area. On The Other Hand, The Stratosphere Has Minimal Water Vapour And Is Rich In Dinitrogen, Dioxygen, And Ozone.
Typically, Tropospheric And Stratospheric Pollution Are The Two Types Of Atmospheric Pollution Examined. About 99.5% Of The Sun’s Damaging Ultraviolet (Uv) Radiations Are Blocked From Reaching The Earth’s Surface By The Existence Of Ozone In The Stratosphere, Shielding People And Other Creatures From Their Effects.
The Gas Sulphur Dioxide Is Toxic To Both Plants And Animals. Asthma, Bronchitis, And Emphysema Have All Been Linked To Sulphur Dioxide Exposure In Humans, Even At Low Concentrations. Sulfur Dioxide Irritates The Eyes, Causing Them To Become Red And Watery.
Because Of The Rigidity Caused By High So2 Concentrations, Flower Buds Ultimately Detach From Plants. Sulfur Dioxide Oxidation Without Catalysis Proceeds Slowly. However, The Oxidation Of Sulphur Dioxide To Sulphur Trioxide Is Accelerated By The Presence Of Particulate Matter In Contaminated Air.
