user-avatar
sonthtanhuong
2 năm trước
Hoàn thành pt phản ứng ghi rõ đk phản ứng ( nếu có ) MnO2 -> Cl2 -> S -> SO2 -> SO3 -> NA2SO4 -> NaCl -> Cl2 -> Br2 -> HBrO
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Chọn câu trả lời đúng:( các bạn giúp với ạ mình muốn cho các bạn nhiều điểm lắm nhưng mình ko đủ điểm) The dolphin (0) ............................ in the Moray Firth area of Scotland is very special. They are the most northerly bottlenose dolphins in the world with (1) ............................ 130 animals recorded so far. These (2) ............................ dolphins are different from their relations living in warmer (3) ............................ such as the Indian or Pacific oceans. They are a lot bigger and fatter (4m rather than 2.5m) - this is due to the large (4) ............................ of fat (known as blubber) that their bodies (5) ............................ to keep them warm in the colder waters of the North Sea. Dolphins, unlike sharks. (6) ............................ not automatically replace their teeth when lost-they only have one set which has to (7) ............................ for their whole life! They eat 8 -15kg of fish a day, feeding largely on inshore (8) ............................ that live on the sea bed. They live in very close family groups, (9) ............................ can be quite large. Local people around the Firth have seen dolphins for many years: there are reports from as (10) ............................ age as 1900. 0. A. population B. team C. crowd D. public 1. A. between B. among C. over D. towards 2. A. proper B. particular C. obvious D. usual 3. A. atmospheres B. spaces C. seasons D. environments 4. A. size B. amount C. pile D. load 5. A. want B. demand C. wish D. need 6. A. do B. should C. have D. ought 7. A. stay B. hold C. last D. stop 8. A. varieties B. sorts C. types D. ranges 9. A. who B. which C. they D. those 10. A. much B. enough C. more D. long

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team