{"id":90623,"date":"2025-06-01T10:32:20","date_gmt":"2025-06-01T10:32:20","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90623"},"modified":"2025-06-01T10:32:20","modified_gmt":"2025-06-01T10:32:20","slug":"which-one-of-the-following-is-not-a-type-of-chemical-weathering","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-type-of-chemical-weathering\/","title":{"rendered":"Which one of the following is not a type of chemical weathering?"},"content":{"rendered":"

Which one of the following is not a type of chemical weathering?<\/p>\n

[amp_mcq option1=”Carbonation solution” option2=”Salt crystal growth” option3=”Hydrolysis” option4=”Oxidation” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CAPF – 2021<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is (B) Salt crystal growth.
\n<\/section>\n
\nChemical weathering involves the decomposition of rocks and minerals through chemical reactions, such as hydrolysis, oxidation, reduction, solution, and carbonation. Salt crystal growth, also known as salt weathering or crystallization, is a physical weathering process where salts dissolve in water, penetrate rock pores, and crystallize upon evaporation, exerting pressure that causes the rock to disintegrate.
\n<\/section>\n
\nTypes of chemical weathering include:
\n– Carbonation: Reaction of carbonic acid (formed from CO2 dissolved in water) with minerals, especially carbonates.
\n– Solution: Minerals dissolving directly into water.
\n– Hydrolysis: Reaction between water molecules and rock-forming minerals, leading to decomposition.
\n– Oxidation: Reaction of minerals with oxygen, often involving iron-bearing minerals (rusting).
\nTypes of physical weathering include freeze-thaw (frost wedging), exfoliation, thermal expansion\/contraction, abrasion, biological activity (root wedging), and salt crystal growth.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following is not a type of chemical weathering? [amp_mcq option1=”Carbonation solution” option2=”Salt crystal growth” option3=”Hydrolysis” option4=”Oxidation” correct=”option2″] This question was previously asked in UPSC CAPF – 2021 Download PDFAttempt Online The correct answer is (B) Salt crystal growth. Chemical weathering involves the decomposition of rocks and minerals through chemical reactions, such … <\/p>\n

Detailed SolutionWhich one of the following is not a type of chemical weathering?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1085],"tags":[1110,1144,1106],"class_list":["post-90623","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1110","tag-rocks-and-earth-sciences","tag-world-and-physical-geography","no-featured-image-padding"],"yoast_head":"\nWhich one of the following is not a type of chemical weathering?<\/title>\n<meta name=\"description\" content=\"The correct answer is (B) Salt crystal growth. Chemical weathering involves the decomposition of rocks and minerals through chemical reactions, such as hydrolysis, oxidation, reduction, solution, and carbonation. 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