Câu 1 : Viết các phương trình phản ứng ( ghi rõ điều kiện phản ứng, spc, spp nếu có, các chất viết ở dạng CTCT )

a. metylpropen tác dụng HBr

b. axetilen tác dụng H₂O

c. Trùng hợp butadien theo kiểu 1,4

d. Propan tác dụng Cl₂

e. Xiclobutan tác dụng H₂

Câu 2 : Viết đồng phân cấu tạo và gọi tên các anken có CTPT C₄H₈

Find out one mistake in each sentence and then correct it

1. The film who I wached yesterday was interesting

2. I like that dress whom is really beautiful

3. The only house to be paint last week was Oanh's

4. Do you get on with the person which lives behind ?

5. A dictionary is a book whom gives her the meaning of words

Fill in the blank with the correct relative pronoun

1. There are eighteen different kinds of penguins _________ live south of the equator

2. Thank you very much for the present ________ you send me

3. This is Mirs. Jones _________ son won the championship last year

4. Hisgirlfriend, __________ he trusted absolutely, turned out to be an enemy spy

5. The bus crashed into a queue of people, four of _________ were killed

6. A man bought in a litte girl, ________ hand was cut by flying class

7. Mary, _________boyfriend didn't turn up, ended by having lunch with Peter

8. He paid me $5 for cleaning ten windows, most of ________ hadn't been cleaned for at least a year

9. In prison the fed us on dry bread, ___________ most of was moldy

10. The chair in ____________ I was sitting studdenly collapsed

11. The bed _________ I slept on has no mattres

12. The student with _________ she was dancing had a slight limb

Combine the following pairs of sentences, using relative clauses, THEN OMIT THE RELATIVE PRONOUNS OR REDUCE RELATIVE CLAUSES ( làm 2 kiểu )

1. The man is her father. You met him last week

->

->

2. The children were terribly spoilt. I was looking after them

->

->

3. Show me the new hats. You bought them last night.

->

->

4. Huyen likes the blue T-shirt. My sister is wearing it

->

->

5. That is a company. It produces ring.

->

->

6. The children were attracted by the show. It was performed so many

->

->

7. Linda bought a new phone yesterday. I can use it to send and receive message

->

->

8. Tet is a festival. Tet often happens is late January or early February

->

->

9. Cuong is the boy. He is giving my mom a gift

->

->

10. I've just spoken to Sally. She sends you her love

->

->

Câu 1 : Viết CTCT các chất có tên gọi sau :

a. CH₃-C---C-CH (CH₃)-CH₃

b. CH---C-CH₂CH (CH₃)-CH₃

c. CH₂=CH-CH₂-CH=CH₂

Câu 2 : Đốt cháy hoàn toàn 1 ankin X thu được 6,72 lít CO₂ (đktc) và 3,6 gam nước. Hãy xác định CTPT của X

Câu 1 : Viết các phương trình phản ứng :

a) Buta-1,3-dien + H₂ ( Ni,t°C )

b) Buta-1,3-dien + Br₂ ( dư )

c) Buta--1,3--dien + HBr ( 40°C )

d) Isopren + H₂ ( Ni, t° )

e) Isopren + Br₂ ( dư )

Câu 2 : Viết CTCT và gọi tên hidrocacbon có CTPT : C₂H₂ , C₃H₄ , C₄H₆ , C₅H₈

Tại sao các cuộc khởi nghĩa trong phong trào Cần Vương diễn ra chủ yếu ở Bắc Kì và Trung Kì ?