Question

write on any 3 major process of chemical weathering

Answer 1

Answer:

Chemical weathering is what happens when rocks are broken down and chemically altered. Learn about the different types of chemical weathering, including hydrolysis, oxidation, carbonation, acid rain and acids produced by lichens.Hydrolysis: This process is just the breaking apart of molecules by water molecules. ...

examples

Hydration: This is the addition of hydrogen, a very abundant molecule thanks to the abundance of water of Earth. ...

Carbonation: Carbonic acid is a weak acid formed from carbon dioxide and water:

What are the process that can cause chemical weathering?

Chemical weathering is caused by rain water reacting with the mineral grains in rocks to form new minerals (clays) and soluble salts. These reactions occur particularly when the water is slightly acidic.

What is the most important agent of chemical weathering?

Water

Water is the most important agent of chemical weathering. Two other important agents of chemical weathering are carbon dioxide and oxygen.

Answer 2

Chemical Weathering

You have probably noticed that no two rocks look exactly the same. Some look like they have been carved by a sculptor. Some look like they have been painted red and others have been hollowed out to form caves.

One of the reasons rocks look so varied in their appearance is because they are subjected to chemical weathering, which is the process by which rocks are broken down by chemical reactions. In this lesson, you will learn about the different types of chemical weathering and how exposure to things such as water, oxygen, carbon dioxide and acids can alter the minerals found in rocks.

We mentioned that chemical weathering is a way in which rocks get broken down. But, it is important to emphasize that because there is an actual chemical change taking place, rocks are not just crumbled into smaller rocks; they are actually being chemically altered.

1.hydrolysis, 2.oxidation, 3.carbonation, 4.acid rain and acids produced by lichens.

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