Related Questions

Which one of the following processes of weathering belongs to both mechanical and chemical weathering?
A Crystallization
B Exfoliation
C Hydration
D Carbonation
Weathering of coal during storage causes
A Reduction in coal size
B Increase in its friability
C Decrease in its caking capacity
D All of the above
Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its
A friability & oxygen content
B caking index
C yield of carbonized products
D calorific value
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
A 1000
B 4000
C 6000
D 8000
Which of the following is not a type of chemical weathering?
A Corrosion
B Solution
C Oxidation
D Carbonation
________ influences the rate of weathering and humus in soil formation.
A Flora & Fauna
B Time
C Parent rock
D Climate
Which of the weathering agents is almost peculiar to the Indian Himalayas?
A Wind
B Glaciers
C Snowfall
D Running water
The removal of rock, layer by layer due to weathering is called ________
A Block disintegration
B Dellation
C Exfoliation
D Granular disintegration
Chemical weathering includes ________
A Oxidation, reduction and exfoliation
B Carbonation, oxidation and exfoliation
C Exfoliation, solution and reduction
D Solution, oxidation and reduction
Chemical weathering is a name given to
A Disintegration of rocks without any change in their chemical composition
B Chemical interaction of oxygen, carbon dioxide or water with the minerals in the rocks
C Removal of soil by chemical action
D Artificial breaking up of rocks for man's use

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