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प्रश्न
Which one of the following materials is affected by hydration process?
विकल्प
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 |
Make a chart for your classroom showing the causes of different types of weathering.
What is known as exfoliation?
What is the chief characteristic of weathering in tropical climates?
Name any two slow movements of mass wasting.
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’.
In dry climates mechanical weathering is dominant.
State and explain the classification of mass movements.
What is a badland topography?
What do you understand by the following term:|
Carbonation
What do you understand by the following term:|
Desilication
Rewrite the following sentence, choosing the right word from the options given below:
_______refers to the gradual disintegration and decomposition of rocks which lie exposed to the elements of weather.
What are the various factors governing the formation of soil? Which one is the most important and why?
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 |
What do you understand by the following term:
Soil profile
Account for the two types of weathering.
Give reasons for the following :
Farmers are encouraged to adopt soil conservation methods.
Give reasons for the following :
A soil dominated by clay makes tilling difficult.
Give reasons for the following :
Grassland soils are less acidic than forest soils.
Explain the following terms.
Bases
On the basis of the given points, differentiate between weathering and erosion.
| Weathering | Erosion | |
| Definition | ||
| Causes/Agents | ||
| Effect/Results | ||
| Examples |
Consider the given statement and choose the right option given below.
- The nature and magnitude of weathering differ from place to place and region to region.
- Granular disintegration takes place due to the action of volcanoes.
- Weathering is a prerequisite in the formation of soil.
Which of the above statement is/are the right statement.
Consider the given statement and choose the right option given below.
- Small streams that join the main river is tributary.
- River Gangas is a tributary.
Which of the above statement is/are the right statement.
Are physical and chemical weathering processes independent of each other? If not, why? Explain with examples.
