Cho 100ml dung dịch NaOH 3M tác dụng vừa đủ với V lít dung dịch H2SO4 1M. Sau khi phản ứng hoàn toàn tính V (ml). (Cho Na = 23; S = 32; H = 1; S = 32; O = 16)

Các câu hỏi liên quan

I. Find the word which has a different sound in the underlined part. 1. A. visited B. washed C. talked D. stopped 2. A. hope B. homework C. one D. post 3. A. writes B. makes C. takes D. drives 4. A. Thursday B. thanks C. these D. birthday 5. A. grandmother B. channel C. fan D. nature 6. A. sandcastle B. noisy C. close D. choose 7. A. robot B. not C. buffalo D. also 8. A. thrilling B. then C. through D. thread 9. A. delicious B. like C. nice D. fine 10. A. lunch B. watch C. teacher D. architect 11. A. killed B. listened C. perfected D. preferred 12. A. part B. handsome C. fantastic D. band 13. A. filled B. naked C. suited D. wicked 14. A. goggles B. sport C. stop D. not 15. A. like B. bit C. bite D. kind 16. A. cheap B. great C. peace D. meal 17. A. living B. wireless C. hi-tech D. nice 18. A. space B. located C. lake D. cottage 19. A. machine B. cheap C. watch D. children 20. A. surround B. ocean C. space D. house 21. A. electricity B. local C. helicopter D. skyscraper 22. A. athlete B. fourth C. clothing D. theatre 23. A. caught B. aunt C. audience D. because 24. A. creature B. peach C. beaten D. healthy 25. A. planet B. trash C. understand D. waste II. Odd one out 1. A. Antarctica B. Asia C. Paris D. Australia 2. A. floods B. rubbish C. litter D. garbage 3. A. apartment B. villa C. stilt house D. hotel 4. A. played B. studied C. worked D. held 5. A. television B. cook C. fridge D. cooker 6. A. skiing B. fishing C. cycling D. boxing 7. A. director B. viewer C. audience D. watcher 8. A. international B. local C. national D. boring Unit11 Our greener world - Things that can be reduced, reused and recycled - Environmental problems and their effects - Conditional sentences –type 1 /æ/ and /ɑ:/ Unit 12 Robots - types of robots and their abilities Modal verb: can, could, will be able to / ɑu / and / ɔi / DICH VONG SECONDARY SCHOOL ENGLISH 6 – SUMMER REVISION SCHOOL YEAR: 2018 – 2019 ---------------- 9. A. gym B. athlete C. player D. swimmer 10. A. palace B. houseboat C. motorhome D. kitchen 11. A. control B. start C. run D. engine 12. A. telephone B. robot C. dishwasher D. travel 13. A. recycle B. reduce C. reuse D. refillable 14. A. fantastic B. exciting C. interesting D. boring 15. A. bottle B. bag C. bin D. paper