... câu A, B, C hay D? A a, c, d, e B a, d, f C a, b, d, e, f D a, e Các ankan tham gia phảnứng đây: Phảnứng cháy Phảnứngphân huỷ PhảnứngPhảnứng cracking Phảnứng cộng Phảnứng trùng hợp Phản ... = C2H6 10 %, C4H10 20%, C CH4 =C3H6 16 ,67%, C2H4 = C2H6 27,78%, C4H1 011 ,1% , D CH4 =C3H6 27,78%, C2H4 = C2H6 16 ,67%, C4H10 11 ,1% , Câu 20 Sau kết thúc phảnứng cracking butan thu 22,4 lit hỗn hợp ... clo phảnứng huỷ D Phảnứng cộng hợp với clo phảnứng cracking 54 Cho khí clo metan (theo tỉ lệ mol 1: 1) vào ống nghiệm chiếu sáng Sau thí nghiệm, ta dùng thuốc thử dấu hiệu sau để nhận biết phản...
... Vocabulary 11 How many expressions have you studied in this book so far? a now b presently c recently d up to the present time d 12 The crowd pressed forward and the police a attacked b attacking ... attacking c attack d would attack a 13 There is no alternative; the president must approve the bill if Congress passes it a chance of agreement b doubt c other choice d mistake c 14 The peg ... a 15 Our company will need some financial to enable us to buy more stock a assistance b income c remittance d award a 16 They store a lot of food the winter a of b for c in d about b 17 ...
... arrive in Hanoi by tomorrow morning unless he .…… early a will start b would start c starts d will have started c 45 I find it quite to talk in front of a group of people a embarrass b embarrassing ... of > d 10 It was said that the world will be suffering from an energy crisis by the 2 010 s a was said b will be suffering c energy crisis d by the 2 010 s > a Grammar and Vocabulary 11 Is anyone ... letters into the wrong envelopes mistake a on b by c with d in b 12 I was so much by the documentary films a interest b interesting c interested d interests c 13 Could you me some money? I’ll...
... has always wanted to visit Washington DC, of the United States a is the capital b that is the capital c which the capital is d the capital d 48 Barbara is not as keen travel as she used to ... Test 44 Pronunciation a taught b thought c bought d draught d a pain b fountain c complain d explain b a large b stage c league d lounge c a cape b captain c capsule d capital a a boat b roar ... 500 a day a take home b bring back c retire d call a 12 She was unhappy her childhood a during b for c while d as a 13 I missed the bus It by the time I arrived at the bus station a went...
... d to have telephoned a 26 Why did you stay at a hotel when you went to Florida? You with us a can stay b could stay c could have stayed d must have stayed c 27 " What did he use to get the ... c Grammar and Vocabulary 10 When the manager went on business, his often took over all his duties a caretaker b officer c deputy d commander c 11 “Ann is in hospital.” “Yes, I know her ... not c but d so that a 41 We’re late The film by the time we get to the cinema a will already start b will be already started c will already have started d will be starting c 42 Be careful!...
... might > d 310 Is finish a job you have started very important to you? a Is b finish c have started d to you > d 311 Not smoking and drinking alcohol are the most important things you can talking ... 2 71 I enjoy to talk to her on the phone I look forward to seeing her next week a to talk b to c look d to seeing > a 272 When I entered the room, I saw my young son to stand on the kitchen table ... unit > a 2 31 The basic law of addition, subtraction, multiplication and division are taught to all elementary school students a law b division c taught d school > a 232 A largely percentage of...
... cỏc cp lc 0.1P; 0.5P; 0.8P; 1P Kt qu c ghi vo bng sau: S TT Chi u di ban u (mm ) Chiu di A 4000 18 0 (mm) Chi u di B l (mm) 0.1P 0.5P 0.8P 1P ngh phỳt Hi v 0.1P Tn g 40 45 50 52 53 41 11 (mm ) 200 ... ghen 2.2.7 Lun cỏp Tao cỏp thuc loi tao si phự hp vi tiờu chun tiờu chun ATM A- 416 hoc loi tng ng (a) Cỏc c tớnh ca tao cỏp: ng kớnh danh nh ca tao : 12 ,7 mm Ti trng phỏ hoi : 18 6 KN Cỏp thuc ... trờn giỏo K10 (hỡnh 18 ) t cỏc ng sut ging chộo gi n nh ngang (chng hin tng ung a ca cỏnh dm hng) v cng chỳng vi mt lc 10 T cho mi (hỡnh 19 ) 41 CễNG NGH THI CễNG DM HP BTCT D..L Hỡnh 18 giỏo vỏn...
... 33,33% Câu 35 Đốt cháy ete A đơn chức, thu CO2 H2O với tỉ lệ : A tạo từ A Propanol (1) B Butanol etanol (2) C Metanol pentanol (3) D Cả (1) , (2), (3) Câu 36 Phát biểu sau không đúng? A Xà phòng ... có phảnứng tráng gương, thực tế ngườita dùng glucozơ để tráng ruột phích gương soi glucozơ cho lượng Ag nhiều glucozơ rẻ tiền glucozơ tan nhiều nước nên dễ phảnứng D glucozơ không độc Câu ... trung hoà axit NaOH KOH Câu 37 Trongphảnứng tổng hợp NH3 Để tăng hiệu suất trình, biện pháp hợp lí A trì phảnứng nhiệt độ thấp, áp suất thường lấy dư nitơ B trì phảnứng áp suất cao, nhiệt...
... nớc từ 1- 2lít cho 10 0Kg xi măng Trong trình bơm vữa cần làm thínghiệm kiểm tra, đầu vào (thùng chứa) thínghiệm cho 1T xi măng, đầu thínghiệm cho bó cáp Kết phải đảm bảo yêu cầu nh thínghiệm ... số cho phép 10 mm +15 mm; 0mm +20mm; -10 mm +10 mm; -5mm mm +20mm; -10 mm +10 mm; 0mm mm mm mm % mm mm 39 Phụ lục kéo thử ứng suất Tất ứng suất 32 38 đặt vào kết cấu công trình (trừ ứng suất 38 ... cầu (hình 11 ) 18 công nghệ thi công dầm hộp btct d l Hình 11 Lắp đặt giàn Lắp đặt giàn liên kết ngang phía sau vào giàn (hình 12 ) Sau lắp đặt giàn trớc liên kết chúng với giàn Các ứng suất để...
... 10 − 12 m kg⋅ s nN = 10 −9 N Given: m1 = kg m2 = 12 kg d = 800 mm Solution: F = G m1 m2 d F = 10 .0 nN W1 = m1 g W2 = m2 g W1 W1 = 78.5 N W2 = 11 8 N = 7.85 × 10 W2 F = 1. 18 × 10 F 10 Problem 1- 17 ... = 30 deg θ = 10 5 deg Solution: F 1v sin ( θ ) = F1 sin ( θ ) ⎛ sin ( θ ) ⎞ ⎜ ⎟ ⎝ sin ( θ ) ⎠ F 1v = F F 1v = 12 9 N F 1u sin ( 18 0 deg − θ − θ ) F 1u = F1 = F1 sin ( θ ) ⎛ sin ( 18 0 deg − θ − ... - Statics F = 500 N Chapter β = 45 deg γ = 70 deg Solution: F1u = sin ( γ − α ) F1 sin ( 18 0 deg − γ ) sin ( γ − α ) F 1u = F1 sin ( 18 0 deg − γ ) F 1u = 205 N F 1v sin ( α ) = F 1v = F F1 sin...
... implosion 10 9 The Fourth-Century “Barbarization” of Northern China Re-Genesis: Urban Nomads, Sui and Tang 12 8 S I X before vietnam 14 5 Southern Yue 14 5 Imperial Entrepôt 15 1 Orphan Empire 15 5 S E ... korea 16 5 Chinese Colonies 16 5 Native Diversity 16 8 Singular Korea 17 3 E I G H T japan: insular east asia 18 3 Immigration 18 3 Becoming Japanese 19 4 A Separate Sun—Japan’s All-under-Heaven 2 01 N ... China) As recently as 19 14, the famous nationalist author Zhang Binglin (also known as Zhang Taiyan [18 69 19 36]) could still praise the First Emperor for the just and equitable government that...