{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2022-07-07T09:59:00.022Z","dateModified":"2022-07-07T09:59:00.022Z","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":"Tolerable limits of lead and fluoride in drinking water according to International Standards are respectively}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"\"\""},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

50 ppm and 1 ppm

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

50 ppb and 1 ppm

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

50 ppb and 5 ppm

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

1 ppm and 50 ppm

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

50 ppb and 1 ppm

","comment":{"@type":"Comment","text":"\"\""},"answerExplanation":{"@type":"comment","text":"As per International Standards, the tolerable limits of lead and fluoride in drinking water are 50 ppb and 1 ppm respectively."}}}]}

Tolerable limits of lead and fluoride in drinking water according to International Standards are respectively

The Correct Option is B

Solution and Explanation