{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-03-25T07:21:02.030Z","dateModified":"2026-03-25T07:21:02.030Z","typicalAgeRange":"11-18","educationalLevel":"BITSAT","assesses":"Chemistry - Colloids","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Colloids"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Chemistry"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"BITSAT"}],"name":"Quiz about Colloids","about":{"@type":"Thing","name":"Chemistry - Colloids"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Colloids","text":"Which of the following will be most effective in the coagulation of $$ \\text{Fe(OH)}_3 $$ (soil)?}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"The best coagulation agents have high charge density, which helps in the aggregation of particles."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

\$ \\text{Mg}_3 \\text{(PO}_4)_2 \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

\$ \\text{BaCl}_2 \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

\$ \\text{NaCl} \$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\$ \\text{KCN} \$
\n\n

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

\$ \\text{Mg}_3 \\text{(PO}_4)_2 \$

","comment":{"@type":"Comment","text":"The best coagulation agents have high charge density, which helps in the aggregation of particles."},"answerExplanation":{"@type":"comment","text":""}}}]}

Which of the following will be most effective in the coagulation of \( \text{Fe(OH)}_3 \) (soil)?

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The Correct Option is A

Solution and Explanation

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