ĐỀ THI HỌC SINH GIỎI MÔN HÓA HỌC LỚP 9 CHỌN LỌC - SỐ 20

Ngày tải lên: 30/07/2015, 18:41

... gam axit đơn chức chia hỗn hợp thành phần - Cho phần tác dụng hết với Na thấy thoát 3,36 lít H2 (ở đktc) - Đốt cháy hoàn toàn phần thu 39, 6 gam CO2 - Đun nóng phần với H2SO4 đặc thu 10,2 gam ... thành dung dịch C 3/ Toàn lượng khí CO2 thu hấp thụ hoàn toàn 200 ml dung dịch Ba(OH)2.Tính nồng độ mol/lít dung dịch Ba(OH)2 để: a/ Thu 1 ,97 g kết tủa b/ Thu lượng kết tủa nhỏ lớn Câu...

Ngày tải lên: 28/07/2015, 09:44

... simply to talk about the problem We must act now before it is too late to anything about it Join us now Save the earth This is too important to ignore * Question: 34 Can we swim in the seas and ... Tom (finish) ………………………… the letter before he went to bed 25 How long you (work)………………………………….for this company? 26 I (read) ……………………… several novels by Shakespeare 27 Henry (live) …………… in New York

Ngày tải lên: 29/07/2015, 15:37

... years A friends B friendship C friend D friendly 14 If I had time, I to the beach with you this weekend A would have gone B would go C will have gone D will go II Supply the correct form ... world people listen to classical music Classical music is difficult to describe It means different things to different people Some famous classical composers were Bach, Vivaldi, Haydn, and Mozart ... Bach...

Ngày tải lên: 29/07/2015, 15:37

... simply to talk about the problem We must act now before it is too late to anything about it Join us now Save the earth This is too important to ignore * Question: 34 Can we swim in the seas and ... Tom (finish) ………………………… the letter before he went to bed 25 How long you (work)………………………………….for this company? 26 I (read) ……………………… several novels by Shakespeare 27 Henry (live) …………… in New York

Ngày tải lên: 29/07/2015, 15:37

... simply to talk about the problem We must act now before it is too late to anything about it Join us now Save the earth This is too important to ignore * Question: 34 Can we swim in the seas and ... Tom (finish) ………………………… the letter before he went to bed 25 How long you (work)………………………………….for this company? 26 I (read) ……………………… several novels by Shakespeare 27 Henry (live) …………… in New York

Ngày tải lên: 29/07/2015, 15:37

... lasted for more than 20 years A friends B friendship C friend D friendly 14 If I had time, I to the beach with you this weekend A would have gone B would go C will have gone D will go II ... world people listen to classical music Classical music is difficult to describe It means different things to different people Some famous classical composers were Bach, Vivaldi, Haydn, and Mozart ... Ba...

Ngày tải lên: 29/07/2015, 15:38

... friends, Ba THE END Lưu ý: Giám thị coi thi không giải thích thêm Thí sinh làm vào tờ giấy thi ĐÁP ÁN ĐỀ THI CHỌN HSG CẤP TRƯỜNG NĂM HỌC 2013 - 2014 MÔN TIẾNG ANH LỚP 10 (Đáp án gồm trang) I PHONOLOGY: ... American colonies (9) independence from England The French wanted to (10) .something special for the U.S centennial, its 100 th birthday A symbolizes B illustrates C shows D pr...

Ngày tải lên: 29/07/2015, 15:38

... because, (3) Đề thi HSG lớp 10 you’re a fast reader, it can take a (4) amount of time to finish a novel, for example But in the modern world, time is something that can be in ... _ Đề thi HSG lớp 10 A them often enough B have the encouragement of others C take them seriously enough D them vigorously enough The writer does not like keep-fit programmes because he thinks ... how...

Ngày tải lên: 29/07/2015, 15:38

... strict discipline in school C need a teacher to show them everything How old was Dr Montessori when she started to teach? A 18 B 21 C 28 Which of the following is true about the children Dr Montessori ... die Of course, experiments of this kind are highly unlikely to be carried out on humans _7 _ The longest period of wakefulness which _8 the record was eleven days This experiment showed t...

Ngày tải lên: 29/07/2015, 15:39