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प्रश्न
Distinguish between the following :
Granular Disintegration and Block Disintegration.
उत्तर
Granular Disintegration; The temperature changes during summer and winter lead to expansion, due to heating and contraction, due to cooling. Different minerals present in the rocks may have different rates of expansion and contraction. For example, dark coloured minerals will absorb more heat and expand to a greater extent than light coloured minerals. Such alternating expansion and contraction between day and night lead to a break up of the rock into different minerals. This type of weathering is called granular disintegration.
Block Disintegration: A rock may split along joints or fissures by the repeated freezing of water in cracks or other openings because water expands nearly one-tenth of its volume when it freezes. It is followed by melting during the daytime repeatedly. This type of weathering is called block disintegration because the rock is split into rectangular block along the joints.
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संबंधित प्रश्न
What are the main types of chemical weathering?
Describe chemical weathering mentioning the processes involved in it.
Name the gases involved in the process of chemical weathering.
Distinguish between the following:
Mechanical Weathering’ and ‘Chemical Weathering’.
Rewrite the following sentence, choosing the right word from the options given below:
_______ is the chemical process in which some of the minerals are dissolved by the water.
Distinguish between :
Physical Weathering and Chemical Weathering.
Distinguish between the following :
Solution and Hydration
Give Reasons:
Chemical weathering is predominant in hot and humid zones.
Mixing of water with the atmospheric carbon-di-oxide is known as ______.
This ______ generally originate from mountains.
