Em hãy tách từ hỗn hợp nước ra dầu ăn?

Tìm giá trị lớn nhất của biểu thức sau: C=3-/2x -5/

Exercise 2: Choose the best answer: 1. In Vietnam, it is normally ________ in the South than in the North. A. hot B. hotter C. hottest D. hoter 2. The food is ________ than the last time I ate it. A. badder B. bad C. worse D. worst 3. Ho Chi Minh city is ________ than Hanoi. A. big B. bigger C. biggest D. biger 4. Her voice is ________ than her sister’s. A. beautiful B. more beautiful c. beautifully D. more beautifully 5. Her literature result is much ________ than it was last year. A. good B. well C. more well D. better 6. Cinderella danced ________ than any other girls at the ball. A. more graceful B. gracefuler C. gracefully D. more gracefully 7. This book is the ________ of all. A. bored B. boring C. more boring D. most boring 8. Mary speaks English very________ A. fluent B. fluently C. more fluently D. most fluently 9. Tom runs faster than John and David runs the ________ in the group. A. fast B. most fast C. fastest D. most fastly 10. There is nothing ________ than going swimming in hot weather. A. gooder B. good C. better D. best

1,CH2=CH-COOCH3 +H2O—-> 2, CH3-COO-CH=CH-CH3 +NaOH—-> 3, C2H5COO- C(CH3)=CH2+NaOH—-> Mn giúp mình với ạ :(((

giải giùm đi ạ đúng nheeeeeeeeeee

Tìm thành ngữ , tục ngữ có từ "nhạt" và từ "mật" . :3 .

Câu1: Căn bậc ba của 27 là: A -3 B. 3 C. 9 D. -9

Exercise 1: Rewrite following sentences so that the meaning stay the same. 1. According to me, English is easier than Maths. According to me, Maths........................................................................................ 2. She gets fat. She feels tired. The fatter............................................................................................................... 3. The black dress is more expensive than the white one. The white dress...................................................................................................... 4. The black car is cheaper than the red car. The red car............................................................................................................. 5. This is the most interesting film of all. No other films are................................................................................................. 6. No cars in the world are more expensive than Japanese ones. Japanese cars.........................................................................................................

Nhanh hộ e vs ạ! Cảm ưn mn nhìu

Phân biệt 3 chất sau: CuSO4, NaCl, Ba(NO3)2