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anhhihi1512
2 năm trước
1. 9,8(g) H2SO4 2. 300ml Alcl3 4m 3. 6,72(l) khi NH3 (ĐKTC) 4. 400Ml dd KOH 6M 5. 3,42ml khi SO2 (ĐKTC) 6. 448ml khi SO2 ĐKT2 H=1;G=16;S=12;Al=27
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EX6. Sắp xếp các từ cho sẵn thành câu hoàn chỉnh. 1. many/ went/ to/ volunteer/ ,/ Last year/ the/ and/ flooded area/ free food/ people/ gave to/./ ________________________________________________________________________ 2. rebuild/ helped/ houses/ They/ trees/ also/ plant/ and/ people/./ ________________________________________________________________________ 3. people/ donated/ generous/ for/ people/ Many/ poor/ money/./ ________________________________________________________________________ 4. I/ joined/ a student/ ,/ was/ When/ charitable work/ I/ often/ in/./ ________________________________________________________________________ 5. my friends/ used to/ remoted areas/ travel/ help/ to/ to/ people there/ I/ with/./ ________________________________________________________________________ 6. mountainous/ for/ areas/ weeks/ We/ in/ stayed/ the/./ ________________________________________________________________________ 7. the chidren/ read/ there/ We/ taught/ and/ write/ to/./ ________________________________________________________________________ 8. a volunteer/ was/ a/ experience/ wonderful/ Being/./ ________________________________________________________________________ 9. I/ busy/ graduated/ was/ After/ ,/ I/ very/./ ________________________________________________________________________ 10. I/ Now/ do/ still/ charity/ my/ in/ hometown/./ ________________________________________________________________________

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