Câu 1: Bằng phương pháp hóa học hãy nhận biết các lọ đựng hóa chất sau: CaO, P2O5, MgO
Câu 2: Cho các chất sau đây: CaO, Al2O3, P2O5, CO2
a) Chất nào tác dụng với dung dịch HCl? Viết phương trình phản ứng?
b) Chất nào tác dụng với dung dịch Ba(OH)2? Viết phương trình phản ứng?
Câu 3: Cho 32 gam Fe2O3 tác dụng với 292 gam dung dịch 20%. Tính nồng độ C% của các chất có trong dung dịch sau phản ứng
(Biết Fe:56; O:16; H:1; Cl:35,5)
Câu 1: Tính khối lượng của:
a) 0,15 mol sắt (III) sunfat
b) 0,05 mol magie clorua
c) 0,2 mol khí hidro
d) 4,48 lít khí nito (0 độ C, 1atm)
e) 6,72 lít khí oxi (đktc)
Câu 2: Tính thể tích (đktc) của:
a) 0,25 mol khí nito đioxit
b) 0,3 mol khí cacbon oxit
c) 3,55g khí clo
d) 1,32g khí đinito oxit
Câu 1: Tính khối lượng hỗn hợp gồm 0,2 mol nhôm và 0,4 mol kali?
Câu 2: Tính thể tích hỗn hợp khí gồm 0,1 mol khí hidro và 0,15 mol khí cacbonic (đktc)?
Câu 3: Tính thể tích hỗn hợp khí 0,15 mol khí oxi và 6,9g khí nito đioxit (đktc)?
Câu 4: Tính khối lượng hỗn hợp gồm 0,672 lít khí cacbonic và 8,96 lít khí hidro (đktc)?
A. USE OF LANGUAGE:
I.Chọn câu trả lời đúng:
1. I................... this movie 5 years ago.
A. see B. have seen C. saw D. seeing
2. We used to.............badminton in the afternoon when we were in the countryside.
A. play B. plays C. playing D. played
3.. Rice is........... in Asian countries.
A. grown B. grow C. grew D. to grow
4. I wish I................. his name and his phone number.
A. have known B. knowing C. know D. knew
5. She has taught English here............................. 10 years.
A. in B. since C. at D. for
6. My sister................... go to the park when she was a child.
A. used to B. use to C. uses to D. to use to
7. Mathematics and Literature are.............. subjects in high schools.
A. adding B. compulsory C. optional D. religious
8. Now fashion...............want to change the traditional Ao Dai.
A. dortors B. designers C. teachers D. farmers
9. It’s too hot now. I wish we ...................... on the beach now.
A. is B. was C. are D. were
10. Mary was really.............................. by the beauty of Hanoi.
A. impress B. impression C. impressive D. impressed
II. Cho dạng đúng của từ trong ngoặc
1. The garden is _________with trees and flowers. (beauty)
2. They enjoy the __________ atmosphere here. (peace)
3. The __________ unit of currency is the Ringit. (Malaysia)
4. Ao Dai is the ___________dress of Vietnamese women. (tradition)
B. READING:
I. Em hãy đọc đoạn văn rồi xem những câu bên dưới là đúng (T) hay sai (F)
Indonesia is an island nation in Southeast Asia. Its official name is the Republic of
Indonesia. It is a member country of the Association of South East Asian Nations (ASEAN). The country's total area is 1,904,443 sq km. Like Vietnam and other countries in Southeast Asia, Indonesia enjoys tropical climate. The rupiah is the official monetary unit of Indonesia, consisting of 100 sen.
The capital of Indonesia is Jakarta and it is also the largest city in the country. Other big cities are Bandung, Surabaya, Medan, Palembang. The population in 2004 was about
238,500,000. Indonesia is the world's fourth most populous country after China, India, and
the United States. Islam, which is over eighty per cent of the population practice, is the country's official religion. In addition, there are other religions such as Protestantism, Catholicism, Buddhism, Hinduism...
The national language is Bahasa Indonesia, which is a modified form of Malay. Besides, about 300 other languages and dialects are spoken. English is increasingly used as the language of business.
1. Indonesia is located in Southeast Asia.
2. All the countries in Southeast Asia enjoy tropical climate
3. Islam is the only official religion in Indonesia.
4. There are more people in Indonesia than in the USA.
5. Indonesia is one of the countries of ASEAN.
C. WRITING:
I. Sắp xếp những từ sau thành câu hoàn chỉnh:
1. did / What/ do / on /Ba/ the weekend?
__________________________________
2. were / wish / I/ taller / I .
__________________________________
II. Dựa vào từ gợi ý, viết thành câu hoàn chỉnh:
1. I don’t have a new dictionary.
I wish ………………………………………………………………………………….
2. She can do this work.
This work ………………………………………………………………………………….
1. If/ you/ don’t/ study/ hard/,/ you/ don’t/ pass/ final/ exam
2. they / come/ will/ tomorrow?
3. rains/ it/ he/ is/ home/ will/ if/ stay.
4. I’m/ she /able/ afraid/ to/ be/ come/ to/ party/ the/ will not.
5. You/ look/ tired,/ so/ I/ bring/ you/ will/ something/ eat.
6. Will/ marry/ me/ you ?
7. Come/ I/ will/ come/ your/ tomorrow/ house.
8. days./ finish / my/ will/ I/ report/ in/ two.
9. send/ the/ postcard./ won’t/ we/ to/ them
10. family/ travel/ in / HCM City/ will/ My/ next week.