GENERAL GEOLOGY

GEOLOGY

PHYSICAL GEOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How is chemical weathering different from physical weathering?
A
physical changes rock composition while chemical does not
B
physical acts on sedimentary while chemical of igneous
C
physical occur in hot climate and chemical in cool
D
chemical changes rock composition while physical does not
Explanation: 

Detailed explanation-1: -Physical weathering involves the breakdown of rocks and soils through the mechanical effects of heat, water, ice, or other agents. Chemical weathering involves the chemical reaction of water, atmospheric gases, and biologically produced chemicals with rocks and soils.

Detailed explanation-2: -Physical weathering is the mechanical breakdown of rocks and minerals. Chemical weathering is the chemical breakdown of rocks. Biological weathering is the breakdown of rock by humans, animals, and plants.

Detailed explanation-3: -The weathering of rocks occurs through both physical and chemical processes. Physical weathering is the breakdown of rock into smaller pieces without altering the chemical composition of the rock.

Detailed explanation-4: -Chemical Weathering Chemical weathering changes the molecular structure of rocks and soil. For instance, carbon dioxide from the air or soil sometimes combines with water in a process called carbonation. This produces a weak acid, called carbonic acid, that can dissolve rock.

Detailed explanation-5: -Physical weathering may result due to temperature, pressure, snow, etc. whereas chemical weathering mainly takes place due to the action of some chemicals.

There is 1 question to complete.