{"id":"r07-2014-czerwiec-egzamin-zawodowy-pisemny/zad/7","paper_id":"r07-2014-czerwiec-egzamin-zawodowy-pisemny","number":"7","points":null,"ptype":"closed","subject":"r07","category":"egzamin-zawodowy","year":2014,"month":"czerwiec","level":null,"text":"Zadanie 7.\nJaki zakres pH ścieków jest niezbędny do oznaczania biochemicznego zapotrzebowania na tlen?\nA. 4 - 5.\nB.\n6 - 7.\nC.\n7 - 8.\nD. 9 - 10.","answer":"C, A","answer_text":"C\n27\nA","solution":null,"image":"img/r07-2014-czerwiec-egzamin-zawodowy-pisemny/zad-7.webp","solution_image":null,"topics":null,"page_from":3,"source":"ocr","answer_source":"ocr","answer_text_source":"ocr","solution_source":null,"text_source":"ocr","source_label":"R07 · Egzamin zawodowy · czerwiec 2014","subject_label":"r07","category_label":"Egzamin zawodowy","text_html":"<p>Zadanie 7.<br>Jaki zakres pH ścieków jest niezbędny do oznaczania biochemicznego zapotrzebowania na tlen?<br>A. 4 - 5.<br>B.<br>6 - 7.<br>C.<br>7 - 8.<br>D. 9 - 10.</p>","answer_text_html":"<p>C<br>27<br>A</p>","solutions":[]}