Types of Chemical Weathering Characteristics I. Solution Results in leaching of minerals II. Carbonation Helps in breaking down feldspars III. Hydration Causes an increase in the volume of rocks IV. Oxidation Changes the colour of rocks
How many pairs given above are correctly matched?
All the four
To determine how many of the pairs given are correctly matched, let's analyze each type of chemical weathering and its associated characteristic:
- Solution: Solution weathering occurs when minerals are dissolved in water, leading to the leaching out of minerals. This process is correct as described in the pair.
- Carbonation: Carbonation involves the reaction of rock minerals with carbonic acid, primarily affecting feldspar in rocks, breaking them down. This pair is also correctly matched.
- Hydration: Hydration weathering occurs when water is absorbed by minerals, increasing their volume, leading to physical stress within the rock. This description is indeed correct for hydration.
- Oxidation: Oxidation is a chemical reaction between oxygen and minerals in the rocks, often changing their color due to rust formation (common in ferrous rocks). This pair is accurately matched.
Since each description aligns accurately with the respective type of chemical weathering, all four pairs are correctly matched.
Important Questions from Geomorphology
Which one of the following is not an igneous rock?
Which of the following statements is/are correct?
1. Hypocenter is the point on the surface of the Earth, nearest to the focus.
2. Velocity of earthquake waves is higher in denser materials.
3. P waves move faster and are the first to arrive at the surface of the Earth.
Select the correct answer using the code given below:
Which one of the following is the lowermost/innermost intrusive igneous rock?
The formation of ‘tors’ on small rocky hills is associated with which among the following?
Which one of the following statements about metamorphic rocks is not correct?
