Chủ đề / Chương

Bài học

Tuấn Trần
Tuấn Trần

Tuấn Trần
Học tại trường Chưa có thông tin
Đến từ Chưa có thông tin , Chưa có thông tin
Số lượng câu hỏi 6
Số lượng câu trả lời 4
Điểm GP 0
Điểm SP 0

Người theo dõi (0)

Đang theo dõi (0)


Tuấn Trần

Chủ đề:

Đề cương ôn tập : CTCT-Metan-Etilen-Axetilen

Câu hỏi:

Dẫn 3,36 lít hỗn hợp khí gồm metan và etilen qua dung dịch brom dư, có 8 gam brom phản
ứng.
a. Xác định phần trăm theo thể tích mỗi khí trong hỗn hợp ban đầu (ở đktc).
b. Tính khối lượng đibrometan tạo thành?
c. Tính thể tích không khí cần dùng để đốt cháy hoàn toàn lượng khí metan thoát ra ở trên
(biết oxi chiếm 1/5 thể tích không khí)
Tuấn Trần

Chủ đề:

Unit 7 : Saving energy : Test 1

Câu hỏi:

How about _____trees around our school? 1 điểm planting planted to plant plant Shall we _____posters on energy saving and hanging them around our school? 1 điểm to make make making made Let's _____the gas to save energy. 1 điểm turning down turn down turned down to turn down Write the correct form of the word in the blank to complete the sentence. Mrs. Mi suggests _____ a show to raise money for poor children. (organize) 1 điểm Câu trả lời của bạn A dripping faucet can waste 500 liters ____water a month. 1 điểm from of to by I suggest _____to school by bike to save energy. 1 điểm to go go went going Mrs. Mi suggests that Mrs. Ha should _____the faucets when it's not necessary. 1 điểm put off turn on put on turn off Mrs. Ha's water bill last month was 300.000 VNĐ. It's very ______. 1 điểm enormous small worried tiny I think we should _____a shower instead of a bath to save energy. 1 điểm Chọn Shall we take shower instead of a bath to save water? 1 điểm No, I don't worry No, thanks No problem No, I don't want to I suggest _____unused clothes to help street children. 1 điểm collecting collect to collecting to collect Why don't we _______the lights when they are not in use? 1 điểm turned off to turn off turning off turn off Mrs. Mi thinks that Mrs. Ha should reduce the amount _____water her family uses. 1 điểm of in on by What about turning off the air conditioner? 1 điểm Well done Yes, you can Yes, of course All right Mrs. Mi suggests that Mrs. Ha should _____a plumber to check the pipes. 1 điểm invite get make do A: Why don't we take a bus to school to save energy? B: _____. 1 điểm Yes, please That's a good idea Yes, certainly Sure Mrs. Mi suggests _____showers to save water. 1 điểm to take of taking take taking Which sentence has the same meaning with this sentence? What about turning on the lights? It's too dark. 1 điểm Shall we turning on the lights? It's too dark. I think we should to turn on the lights. It's too dark. Why don't you turning on the lights. It's too dark. I suggest turning on the lights. It's too dark. Mrs. Ha is worried _____her recent water bill as it's big. 1 điểm Chọn Let's go to school by bike to reduce exhaust fume in the air. 1 điểm I prefer going to school by bike to reduce exhaust fume in the air. I suggest going to school by bike to reduce exhaust fume in the air. I think you should go to school by bike to reduce exhaust fume in the air. Why don't you go to school by bike to reduce exhaust fume in the air.
Tuấn Trần

Chủ đề:

Unit 8 : Celebrations : Test 1

Câu hỏi:

1. I didn't see the TV programme but everybody said it was excellent. I wish I ___ it. * 5 điểm A. saw B. would see C. had seen D. seen 2. My internet service is so slow. I wish it _________faster , so I can study online effectively. * 5 điểm A. is B. were C. has been D. had been 3. Peter wishes you __________ stop interrupting him whenever he speaks. * 5 điểm A. will B. would C. could D. might 5. John wishes he ________ a scientist when he grows up. * 5 điểm A. is B. was C. will be D. would be 6. I wish I __________ you some money for your rent now, but I’m broke myself. * 5 điểm A. can lend B. would lend C. could lend D. will lend 7. If only all schoolchildren __________ no problems with the internet service when they study online. * 5 điểm A. had B. have C. didn’t have D. don’t have 8. Non-smokers wish smoking __________ banned in public buildings and public transportation. * 5 điểm A. would be B. were not C. must be D. has been 9. I wish everyone _____ the government’s instructions now. * 5 điểm A. follows B. followed C. had followed D. follow 10. I wish you ___________ whistling while I am trying to concentrate. * 5 điểm A. will stop B. should stop C. would stop D. had stopped 11. COVID-19 is so terrible; I really wish we_____ it soon. * 5 điểm A. would stop B. will stop C. stopped D. stop 12. My sister can’t join Zoom meetings for studying online. * 5 điểm A. I wish my sister to join Zoom meetings for studying online. B. I wish my sister could join Zoom meetings for studying online. C. Joining Zoom meetings for studying online is a wish. D. My sister wishes to be joined Zoom meetings for studying online. 13. My friends spend more time playing computer games and less time studying. * 5 điểm A. I wish my friends spend less time playing computer games and more time studying. B. If only my friends spent more time playing computer games and less time studying. C. I wish my friends spend more time playing computer games and less time studying. D. I wish my friends spent less time playing computer games and more time studying. 14. My friends didn’t take part in the Young Pioneer activities and they regret it now. * 5 điểm A. My friends wish they took part in the Young Pioneer activities. B. My friends wish they had taken part in the Young Pioneer activities. C. My friends wish they would take part in the Young Pioneer activities. D. My friends wish they did take part in the Young Pioneer activities. 18. I wish/ everybody/ aware/ the importance/ staying home/when the pandemic/ everywhere. * 5 điểm A. I wish everybody is aware of the importance of staying home when the pandemic is everywhere. B. I wish everybody were aware of the importance of staying home when the pandemic is everywhere. C. I wish everybody was awareness of the importance of staying home when the pandemic is everywhere. D. I wish everybody has been aware of the importance of staying home when the pandemic is everywhere. 19. I wish/ students/ come back/ school/ soon/ * 5 điểm A. I wish students will come back to school soon. B. I wish students would come back to school soon. C. I wish students can come back to school soon. D. I wish students had come back to school soon. 20. I wish/ there/ be / more students/ do/ online test/ last week/ * 5 điểm A. I wish there were more students to do the online test last week. B. I wish there had been more students to do the online test last week. C. I wish there are more students to do the online test last week. D. I wish there would be more students to do the online test last week.
Tuấn Trần

Chủ đề:

Chương III. Sơ lược về bảng tuần hoàn các nguyên tố hóa học

Câu hỏi:

Cho 32,7 gam hỗn hợp Natri cacbonat và natri hiđrocacbonat tác dụng với 200
gam H2SO4 thu được 5,6 lít khí (đktc).
a. Thành phần % mỗi chất trong hỗn hợp ban đầu
b. Tính nồng độ phần trăm của dung dịch H2SO4 phản ứng?
Tuấn Trần
Tuấn Trần

Chủ đề:

Chương III. Sơ lược về bảng tuần hoàn các nguyên tố hóa học

Câu hỏi:

Nêu hiện tượng và viết PTHH
1. Cho viên natri vào dung dịch Ca(HCO3)2
2. Khí clo vào dung dịch NaOH loãng dư;
3. Thổi CO2 từ từ cho đến dư vào dung dịch nước vôi trong
4. Cho Ba(OH)2 dư tác dụng KHCO3
Tuấn Trần

Chủ đề:

Chương III. Sơ lược về bảng tuần hoàn các nguyên tố hóa học

Câu hỏi:

Nung hỗn hợp gồm 11,2 gam sắt và 3,2 gam lưu huỳnh trong môi trường không
có không khí. Sau phản ứng thu được hỗn hợp X.
a. Tính khối lượng các chất trong hỗn hợp X.
b. Nếu cho toàn bộ hỗn hợp X tác dụng với dung dịch HCl dư thì sinh ra bao
nhiêu lít khí (đktc).