bọ cạp ạ có bảo bình k ạ

Hỗn hợp X gồm ankan M, anken N và ankin P có cùng số nguyên tử hiđro trong phân tử. Đốt cháy hoàn toàn 8,96 lít X (đktc), rồi dẫn toàn bộ sản phẩm cháy vào bình đựng dung dịch nước vôi trong dư thu được 70 gam kết tủa. Mặt khác, 15 gam hỗn hợp X làm mất màu tối đa V ml dung dịch Br₂ 1M. Biết các phản ứng xảy ra hoàn toàn.

a) Xác định công thức phân tử, viết công thức cấu tạo của M, N và P.

b) Tính V.

nhè nhẹ gió thổi cây lung lay

mưa rơi lộp bộp gió thổi bay

con đường mù mịt trời rét lạnh

gia lai khi lạnh bỗng thấy hay

mình mới làm ạ

Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

Throughout history, women have always aimed for a recognized place in (31) ______. Guided by their own (32) ______ of knowledge and expertise, women like Marie Curie in science, Mary Wollstonecraft in literary writing, Simone de Beauvois in philosophical existentialist debate, and Marie Stopes in medicine, to name a few, have brought about an awareness of the role of the women in any walks of life. These women have helped redefine and (33) ______ the nature of women’s place in society. Today the spread of global women’s organizations and the impact of women’s contributions to society show that progress has been made and the progress in furthering the role of women in society has been some benefits to the (34) ______ woman. It is true to say that not all women have the same need. The need of the woman who stays at home and raises children will differ widely from the woman who works outside. Nonetheless, in the extensive field of equal opportunities, it would be good to know that access is given to both with equal measure according to the true value of respective abilities. It also would be good to know that the woman at home is recognized as a valued (35) ______ of society just as much as the one who deals on business outside the home.

Question 31

A. society

B. social

C. socialize

D. socialist

otaku