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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Gurmeet Singh posted an Question
December 16, 2020 • 22:00 pm
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30 points
30 points
- IIT JAM
- Geology (GG)
Question 123 question 124- given ans a. but i marked d
123. During weathering of silicate minerals, incor poration of cations from mineral into organic Compounds is related to: A Carbonation C. Chelation B. Hydrolysis D. Hydration (DU-2014) 124. Which of the following volcanic landform is the largest in size? A. Craters B. Tophra cones D Strato volcanoes (DU-2014) C. Plug comes olued.
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Sajan sarthak
craters are the larger form...
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Sajan sarthak Best Answer
option a should be answer. as carbonic acid is required for weathering Carbonation is the mixing of water with carbon dioxide to make carbonic acid. This type of weathering is important in the formation of caves. Dissolved carbon dioxide in rainwater or in moist air forms carbonic acid, and this acid reacts with minerals in rocks. Extra info:-:-- Chelation: The chemical removal of metallic ions from a mineral or rock by weathering can provide their combination with organic compounds. The decomposition of dead plants in soil may form organic acids which, when dissolved in water, cause chemical weathering Hydration is a form of chemical weathering in which the chemical bonds of the mineral are changed as it interacts with water. One instance of hydration occurs as the mineral anhydrite reacts with groundwater. The water transforms anhydrite into gypsum, one of the most common minerals on Earth.Ap
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sir also comment on next question
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which one
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124
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volcanic crater is largest form
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Gurmeet singh
and 123 ka toh chelation ban rha hai..as definition given