... t 2SO3 SO3 + H2O H 2SO4 H 2SO4 + Na 2SO3 Na 2SO4 + H2O + SO2 SO2 + H2O H 2SO3 H 2SO3 + 2NaOH Na 2SO3 + H2O SO2 + NaOH NaHSO3 H 2SO4 + 2NaOH Na 2SO4 + H2O b) (1) FeCl3 + 3NaOH Fe(OH)3 + 3NaCl (2) Fe(OH)3 ... b) H 2SO4 + Na 2SO4 + H2O c) H 2SO4 + ZnSO4 + H2O d) NaOH + NaCl + H2O e) + CO2 Na2CO3 + H2O Bai giai: t0 a) 2Fe(OH)3 Fe2O3 + 3H2O b) H 2SO4 + 2NaOH Na 2SO4 + H2O c) H 2SO4 + Zn(OH )2 ZnSO4 + H2O ... (1) SO2 (2) SO3 (3) H 2SO4 (4) SO2 (5) H 2SO3 (6) Na 2SO3 (7) NaHSO3 b) FeCl3 (8) Na 2SO4 Fe(OH)3 Fe2O3 Fe(NO)3 FeCl3 Bai giai a) (1) (2) (3) (4) (5) (6) (7) (8) t0 S + O2 0, V O SO2 2SO2 + O2 t 2SO3 ...
... It’s so rewarding (satisfying) and there’s so much work to _(35) 26 A can stay B could stay C stay D will stay 27 A are B is C will be D would be 28 A so that B but C and D because 29 A which ... market Food can’t be sold on the sidewalk A They can’t sold food on the sidewalk B They can’t be sold food on the sidewalk C They can’t sell food on the sidewalk D They can not sold food on the sidewalk ... wish I _ (26 ) longer, but it’s time for me to go home My work here has been very interesting I am learning so much I always wish that there _ (27 ) more hours in the day _ (28 ) I could...
... C had helped D would help 22 I remember her somewhere A see B seeing C saw D to see 23 Excuse me Can I in this a area? A smoke B smoking C smoked D to smoke 24 Can you turn the light? ... from B at C since D between 19 We caught a bus and arrived home early _ the morning A on B in C at D for 20 I was born _ December 15th, 199 2 A on B in C at D for 21 She asked me "What is ... D takes after 20 I’ll pick you at your hotel next Monday A on B off C at D up 21 Your hat doesn’t go your clothes A up B with C of D down 22 The plane will at 06.30 so you must be...
... which C that D whom 21 There is someone at the door _ wants to speak to you A where B who C which D when 22 I live in the country _ exports rice A where B which C it D that 23 I will provide ... my kinds A when B where C why D which 47 Do you know the reason 006 was killed? A when B where C why D which 48 That was the reason he didn’t marry her A when B where C why D which 49 An ... captured C gathered D argued 32 When a tropical storm reaches 120 kph, it is called a in North and South America A hurricane B cyclone C typhoon D tsunami 33 Passover is _ in Israel and by...
... hợp ứng với A, B, C, D để điền vào ô trống đoạn văn sau, từ câu 13 đến câu 22 CLOTHES Choosing clothes can be difficult Some people want to be fashionable, but they don’t want to look exactly (13) ... , especially if you are a bit (18) Very loose clothes make you feel ( 19) but when they have (20 ) in the washing machine, then you have the same problem! If you buy light ... week any more C He enjoys writing home every week D He was forced to write home every week Câu 12: Chọn từ/cụm từ thích hợp ứng với A, B, C D để hoàn tất câu sau: “ does it take you to go...
... leisure The majority of American mothers have outside jobs as well as housework, so their working days are often very hard The working mother enjoys the traditional Mother’s day custom of breakfast ... 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 The train couldn’t run…………………….snow (because, because of, since, for) What songs people often sing………………………… ... similar to Mother’s Day Dad also receives greeting cards and gifts from his family and enjoys a day of leisure Mother’s Day is celebrated at the same time as Father’s Day _ All mothers in...
... 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 Could you help me the cooking (with, by, ... 19 Nams weight is 46 kilos.Nam is 20 She is 36 kilos heavy Her weight 27 .How old is he? Whats .' 28 She is a skillful soccer player.She plays 29 Dont play games so ... (so young so, so young as, as young as, as young so) 15 I hate housework (do, to do, doing, to or doing) 16 The noise me awake at night ( takes, keeps, gives, does) 17 18 19 20 21 22 23 ...
... rebuilt 19. The bus _ runs every twenty minutes goes to Tan Son Nhat airport 20 .An Architect is someone _ designs buildings 21 .I dont like people often tell lies 22 .Alexander ... late S + V + , S2 + told/ said S2 + said (that) S + V( lựi mt thỡ) TT + S + V ?, S2 + asked + O S2 + asked + O + If + S + V( lựi mt thỡ) T hi + TT + S + V?, S2 + asked + O S2 + asked + O + t ... competition again =>Thu is 7-Mrs Oanh cooks well => Mrs Oanh is 8-She heard a sad news from her friend She was so unhappy =>She was 9- Khanh is a fluent English speaker =>Khanh speaks. 10-Phong is anxious...
... C had helped D would help 22 I remember her somewhere A see B seeing C saw D to see 23 Excuse me Can I in this a area? A smoke B smoking C smoked D to smoke 24 Can you turn the light? ... inconveniently 23 In most factories workers have to wear uniform work A at B on C in D out 24 My mother only wears ao dai _ special occasions 29 A at B in C on D with 25 This is the first ... from B at C since 19 We caught a bus and arrived home early _ the morning A on B in C at D between D for 47 20 I was born _ December 15th, 199 2 A on B in C at D for 21 She asked me "What...
... pesticide , they will be destroyed by insects in soil II Rewrite the following sentences , beginning with “If” Recycle and we will save natural resources -> If…………………………………………………………………………… Be careful ... minimize pollution -> If…………………………………………………………………………… Working too much will make you tired -> If…………………………………………………………………………… The authorities are thinking of raising petrol prices It will have to cycle ... of the verbs in brackets If the weather stays good next weekend, we……………… ( probably / go ) away somewhere Come on! If we ( hurry )…………………….,we ( catch )……………… the bus There ( be )…………………big floods...
... price of oil has gone by over Đáp án Điểm 1.0 ,25 1.ever 2. already 2. 0 ,25 3.feel 3.0 ,25 4.long 0 ,25 5.of 5.0 ,25 6.of 6.0 ,25 7.out 7.0 ,25 up 8.0 ,25 9. They built the house over 100 years ago 10.This ... in the garden 20 -> what's *Find the mistake in each sentence and correct it: 15.Thanh go to school by bike 18 21 .How does your father travel to work? 19 0 ,25 20 0,5 21 0,5 22 0,5 23 0,5 16.Miss ... conversations 21 a revised b revision c learned 22 a once b two c one 23 a so b so that c because 20 HỆ THỐNG CÂU HỎI VÀ BÀITẬPTIẾNGANHLỚP THEO CHUẨN KTKH 24 a with b by c on 25 a lots b much...
... C had helped D would help 22 I remember her somewhere A see B seeing C saw D to see 23 Excuse me Can I in this a area? A smoke B smoking C smoked D to smoke 24 Can you turn the light? ... from B at C since D between 19 We caught a bus and arrived home early _ the morning A on B in C at D for 20 I was born _ December 15th, 199 2 A on B in C at D for 21 She asked me "What is ... D takes after 20 I’ll pick you at your hotel next Monday A on B off C at D up 21 Your hat doesn’t go your clothes A up B with C of D down 22 The plane will at 06.30 so you must be...
... My father _ for the national bank from 199 0 to 20 03 A works B working C has worked D worked 42 I never go to any foreign country I _ abroad yet 22 A don’t go B didn’t go 43 When ? In 1876 ... C had helped D would help 22 I remember her somewhere A see B seeing C saw D to see 23 Excuse me Can I in this a area? A smoke B smoking C smoked D to smoke 24 Can you turn the light? ... from B at C since 19 We caught a bus and arrived home early _ the morning D between 48 A on B in C at D for 20 I was born _ December 15th, 199 2 A on B in C at D for 21 She asked me "What...
... _resources A nature B natural C naturally D unnaturally Key: B 2/ Choose A, B, C, D to complete the sentence : Unit – level She has _provided a picnic lunch for us A kind B kindness C kindly ... Choose the best answer: Unit 7:- Mức Hong Son …… for the national team in 99 matches so far A has played B is playing C played D was playing Đáp án: A 25 Choose the best answer: Unit 8:- Mức My ... Choose the best answer: Unit 9: - Mức2 Listen ! Someone …… your favorite song A sing B sings C is singing D are singing Đáp án: C 45 Choose the best answer: Unit 9: - Mức Be quiet ! My younger...
... ships A ship has an accident and oil leaks from the vessel This not only pollutes the ( 59) , but it also kills marine life Next, there are waste materials from factories Without proper regulations, ... terribly sorry if he dies 38 Go with me and I you my new car (go) (achieve) (get) (die) (hear) (travel) (not pass) (feel) (show) Supply the correct word form of the words in brackets 39 The ... Firstly, there is raw sewage, which is pumped directly into the sea Many (57), both developed and developing, are guilty of doing this Secondly, ships drop about millions tons of (58) into...