Đề thi th­ủ­ HSG cấp Tỉnh lần 1

... 10 0% A + 17 n 17 m 10 0% A + 17 m 17 n 10 0% 214 17 n + A Tỉ lệ %(OH) 2hydroxit = 17 m 270 10 0% 17 m + A n( A + 17 m) = 214 952mn (2) A = m( A + 17 n) 270 214 m 270n 952mn 11 2mn m = Từ (1) (2) ... A2Om 10 0% 16 m + A 16 n 10 0% 20 16 n + A Tỉ lệ %O oxit = 16 m 27 10 0% 16 m + A 0,5 %O hợp chất A2On 0,25 0,5 n(2 A + 16 m) = 20 11 2mn (1) A = m(2 A + 16 n) 27 40m 54n...

Ngày tải lên: 29/04/2015, 10:00

... Phòng thi số:………… Số báo danh:………… Số phách (Do chủ tịch HĐ chấm thi ghi) Học sinh trường THCS:……………………………… Cán coi thi số ( Ký, ghi rõ họ tên) Cán coi thi số ( Ký, ghi rõ họ tên) KỲ THI HỌC ... trường THCS:……………………………… Cán coi thi số ( Ký, ghi rõ họ tên) Cán coi thi số ( Ký, ghi rõ họ tên) KỲ THI HỌC SINH GIỎI LỚP HUYỆN LÝ NHÂN Giải toán máy tính Casio Họ tên thí sinh:……………...

Ngày tải lên: 01/11/2013, 09:11

... Question 50: The doctor advised Mr Pike to take up a new hobby A The doctor said, "A new hobby is not good for Mr Pike." B The doctor wanted Mr Pike not to have any new hobby C The doctor said, "You ... Question 42: Reading cannot make your life longer, but reading really makes your A B C life more thicker (thicker) D Question 43: There are many benefits that we may be gained by actually taki...

Ngày tải lên: 07/08/2014, 11:20

... 48 Go _ this book because it has the information you need a over b by c off d on 49 Helen has gone out and she will not be _ till midnight a off b along c back d away 50 Everything is ... along 52 The explorers made a fire to _ off wild animals a get b keep c take d go 53 If something urgent has _ up, phone me immediately and I will help you a picked b come c kept d brought ... organization w...

Ngày tải lên: 07/08/2014, 11:20

... since humans inhabited the earth, they have made use of various forms of communication Generally, this expression of thoughts and feelings has been in the form of 36 When there is a language barrier(rào ... 37 letters, words and ideas Tourists, the deaf, and the mute have had to resort(sử dụng đến) to this form of expression Body language transmits ideas or thoughts by 38 actions A wink can b...

Ngày tải lên: 07/08/2014, 11:20

... basis A volunteer B voluntary C volunteered D voluntarily Câu 44: by the end of this year my father ………………………in this company for 10 years A has been working B will have been working C has worked ... happiness and enjoyment B comfort and advance C freedom and pleasure D peace and quiet Câu 41: This test ……………… of multiple-choice questions A consists on a number B consists in a number C consis...

Ngày tải lên: 07/08/2014, 11:20

... Learn to (31)………… the chopstick –never point them, never pierce food with them, and rest when breaking (32)…………… drink or chat It is good etiquette to try a bit of everything Dining Etiquette in Turkey: ... shops there The shop windows were full of beautiful goods so we for got our thirst Everyone tried to look for the things they planned to buy And nobody thought of the time When I got out o...

Ngày tải lên: 07/08/2014, 11:20

Ngày tải lên: 25/07/2015, 18:17