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प्रश्न
Which one of the following materials is affected by hydration process?
पर्याय
Granite
Clay
Quartz
Salts
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उत्तर
Salts
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संबंधित प्रश्न
Write whether the statement are true or false. Correct the incorrect one.
The breaking down of rocks into smaller particles is called weathering.
Match the column
| Column A | Column B |
| 1. Granular disintegration | (i) causes feldspar to become a powdery mass |
| 2. Oxidation | (ii) is common in deserts |
| 3. Carbonation | (iii) is the simplest form of chemical weathering |
| 4. Hydration | (iv) mainly affects limestone regions |
| 5. Solution | (v) results in the rusting of iron |
Distinguish between the following pair:
Weathering and erosion
Distinguish between the following pair
Granular disintegration and exfoliation
Give geographical reason:
Temperature changes result in physical weathering.
Give geographical reason:
Gases in the atmosphere affect weathering.
Give geographical reason:
Human activities affect weathering.
List any three factors that affect weathering.
What is weathering?
Give one example of rapid mass movement.
Give a technical term for the following:
Disintegration or decomposition of rock.
Give a technical term for the following:
Peeling off of the outer layer of rock through contraction and expansion.
Say whether the following is ‘True’ or ‘False’.
External forces are engaged only in erosion
Distinguish between:
Weathering and Denudation
What do you understand by the following term:|
Exfoliation
How are the different kinds of soils in Temperate zones formed?
Match the following pairs correctly:
| A | B |
| (a) A soil formed at a place or a particular site | Alluvium |
| (b) Over a long period of time this soil become mature | Transported soil |
| (c) It is most fertile soil when renewed every year | Podzol |
| (d) This soil is found is cool or cold humid areas | Residual |
Distinguish between the following :
Erosion and Weathering.
What do you understand by the following term:
Weathering
What do you understand by the following term:
Soil profile
What do you understand by the following term:
Soil texture
Describe how changes of temperature lead to weathering.
OR
How do changing temperature lead to weathering?
Give reasons for the following :
Climate is the most important factor of soil formation.
Give reasons for the following :
Farmers are encouraged to adopt soil conservation methods.
Give reasons for the following :
Grassland soils are less acidic than forest soils.
Explain the following terms.
Colloids
Give a geographical reason:
Slope is a major factor in mass wasting.
A region is having an annual mean temperature of 5°C and an annual rainfall of 1000 mm. Can you comment upon the weathering and the type with the help of the following questions? Discuss in class.
- Which type of weathering will be dominant here?
- Where will such a region be found?
Name three types of weathering.
