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Byju's Answer
Standard XII
Chemistry
Land Pollution - Pesticides and Biomagnificaiton
The soil is s...
Question
The soil is soft during wet and very hard during dry is _______.
A
Red soil
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B
Black soil
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C
Alluvial soil
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D
Desert soil
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Solution
The correct option is
A
Black soil
The soil is soft during wet and very hard during dry is Black Soil.
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Similar questions
Q.
During the soil exploration of a site, the site engineer collected the soil sample which is black cotton soil in saturated condition having volume 15 ml and total mass 20 gm. After putting in oven the volume the volume of dry soil is 10.9 ml the shrinkage ratio of soil if specific gravity of soil is 2.75 is [Take
ρ
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Q.
Consider the following statements:
1. Each year, black cotton soil appreciably shrinks during dry season and swells during rainy season. This alternate cycle of shrinking and swelling causes severe stresses in structures supported directly by such soil.
2. Black cotton soil contains predominantly a clay mineral called kaolinite, which is responsible for causing appreciable shrinking and swelling.
3. Shrinking and swelling of black cotton soils are observed only upto a certain depth below the ground level. Below that level, there is neither shrinking nor swelling.
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Wetting of dried soil surface automatically during night without rain is
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<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Choose the correct statement regarding soils in India
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A cohesive soil yields a maximum dry density of
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