Đốt cháy hoàn toàn 39gam kẽm trong bình chứa khí oxi, người ta thu được kẽm oxit. A) lập phương trình hóa học của phản ứng? B) tính khối lượng của kẽm oxit thu được ? C) tính thể tích của khí oxi phản ứng ở đktc?

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IV. WRITING 1. Find one mistake and correct it.(vì ko gạch chân đc nên mình đóng ngoặc nhé) 1.The student (fancy) (reading) books (on) travel and (tourism). A B C D 2.There (were) a (lot) (more) people (joining) the festival than I had thought at firstly. A B C D 3.I love the countryside life (although) it (was) (the) most colourful (part) of my childhood. A B C D 4.You (needn’t) watch TV (a lot) at night (because) it will make you feel (very tired) A B C D 5.When we (turned) 6 years, our parents (started) to( allow) us (going out) at night until 10 A B C D 2. Rewrite the following sentences based on the given words. 1. No one can fly kites better than Hung in my village.  Hung flies kites______________________________________________________ 2. People living in cities have to drive more carefully than those living in the countryside.  People living in the countryside don't have to drive so_______________________ 3. It is more difficult for people to find jobs in the countryside than in the cities.  People find it _______________________________________________________ 4. I have never seen such a beautiful picture before.  This is the most _____________________________________________________ 5. His house is the biggest one in the village.  None of houses in the village __________________________________________ 6. People don’t care much about environment, so they keep making it worse.  If people _____________________________________________________________ 7. The drainage system is damaged. There is not enough water for the crop.  If the drainage system __________________________________________________ 3. Reoder the following words to make meaningful sentences. 1. When/game/ be careful/ you/ online/, /when/ make friends/ strangers/ you/ with //. ___________________________________________________________________ 2. We/ that/ can/ Kim/ likes/ see/ the/ piano/ playing //. ___________________________________________________________________ Such as/ hobbies/ or/ making/ things/ crafts/ collecting/ interesting/ are / some //. ___________________________________________________________________ 3. health/ sitting/ problems/ all/ day/ in front of/ the/ can/ computer/ cause //. ___________________________________________________________________ 4. fancy/ you/ do/ children/ with/ working? // ___________________________________________________________________ bạn nào giúp mk vs ạ ! Bài nào cx đc