{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2022-07-07T10:22:15.086Z","dateModified":"2022-07-07T10:22:15.086Z","typicalAgeRange":"11-18","educationalLevel":"","assesses":"Chemistry - Environmental Chemistry","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Environmental Chemistry"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Chemistry"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":""}],"name":"Quiz about Environmental Chemistry","about":{"@type":"Thing","name":"Chemistry - Environmental Chemistry"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Environmental Chemistry","text":"Which of the following is the coldest region of atmosphere?}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"\"\""},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Thermosphere

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

Mesosphere

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

Troposphere

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

Stratosphere

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

Mesosphere

","comment":{"@type":"Comment","text":"\"\""},"answerExplanation":{"@type":"comment","text":"The coldest region is mesosphere (temp. - $27^{\\circ}C$ to $ -92^{\\circ}C$ )"}}}]}

Which of the following is the coldest region of atmosphere?

The Correct Option is B

Solution and Explanation