100 Bai Tap Hoa 10 Dot 3 Khtn Hn

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SAMPLE TEST 10.10 FOR FIRST PROGRESS TEST - SECOND TERM - 1OTH GRADERSComplete the passage with the correct alternative given. Write the appropriste letter A, B, C or D on the answer sheet.

When'man first learned how to make a fire, he began to use fuel forthe first time. The first fuel lre used wasprobably wood. As time *(21)-, man eventually discovered that substances such as coal and oil _(22)_.

Coal -(23)- very widely as a source of energy until the last century. With tlie coming of the industrialrevolution, it was soon realized that production _(24)_ if coal was used instead of wood. Nowadays, many of thehuge factories and electricity generating stations _(25)-to function if there was no coal.In the last twenty or thirty years, however, the use of coal _(26)_. As a result, there have been changes intlre coal industry. lt -(27) that more people _(28)_ coal if oil and gas were not so readily available.There is more than enough coal in the world for man's needs for the next two hundred years if our use of coal-(29)_,-- . Unfortunately, however, about half of the world's coal -(30)--*-. Mining much of it would be veryexpensive even if it was possible to use new equipment.Question 21. A. passes B. used to pass C. would pass D. passedQuestion 22' ' A. are burning B. would burn C. have bumt D. were bumtQuestion 23. A. not used B. did not use C. not using D. was not usedQuestion 24. A. doubles B. had doubled C. will double D. would doubleQuestion 25. A. were unable B. would be unable C. will be unable D. are unableQuestion 26. A. has declined B. will decline C. declinesQuestion 27. A. believed B. is believing C. believingQuestion 28. A. would use B. used C. useQuestion 29. A. did not increase B. would not increase C. does not increase D. may not increaseQuestion 30. A. would never use B. many never be used C. would never be used D. may never useThere is one mistake in each sentence below. Find it and write the appropriate letter A, B, C or D on the answer sheet:Question 31. Erosion, which (A) washes away valuable topsoil, (B) can prevent by (C) planting trees and (D) grass.Question 32. The first modern type of (A) printing press (B) was invented (C) with a Gerrnan, Johalnes Gutenberg,(D) in 1439.Question 33. It (A) is estimated that (B) much of a teenager's tirne is(C) spending (D) chatting on the Internet.Question 34. (A) For seveml centuries (B) no real changes (C) made in the basic rnethods (D) used for printing.Question 35. (A) Huricanes from the Gulf of Mexico (B) have been caused considerable (D) darnage to coastal cities

in Texas.'Build up nteaninffil sentences with the word/phrase given. Wite your answer in the space (3d-40) given on your answersheet:Question 36. we/ now/faced/ problems/ environment.Question 37. erosion/ soil/ result/ when / forests/ cut/ carelessly.Question 38. polluted/ air/ be/ chiefly/ city problem.Question 39. plants/ species/ many/ animak/ be/ danger/ extinction.Question 40. laws/ must/ some/ pass/ help/ protect/ environmenl.

epartment of Social & Foreign Studies - p"g" ti.l

D. would declinesD. is believedD. willuse

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sar 0x rAP HoA LoP to-r,Ax ru (1/2011)Bni l. Vi6t c6c phuong trinh phin frng xiy ra (n6u c6) khi cho clo lAn luqt t6c dqng vdi:a) Na, Mg, Ba, Al, Fe,Zn, Cu' Ag, P.bi g16, dling dictLNabH (O't6 tt i'Ong;, dung dich KOH (6 100"C), dung dich Ca(OH)z lodng (d t" thudng), sfta v6i' caloH;r, uoi toi cao, dung dlch KBr, dung dich KI, dung dich HzS, HBr, HzSO: SO2/H2O.c) c6c khi: Oz, CHq, C2F{a, H2,NH3.Bii Z. Vi6t c6c phuong trinh phAn fng xiy ra (n6u c6) khi cho axit HCI (ho[c HBr) lan lugt t6c dung v6i c6c chAt sau:

a) K, Na, Ca, Mg, Ba, Al, Fe, Ca, Zn,Cu, Ag.b) K2O, Na2O, MgO, BaO, Al2O3, FezO:, FeO, Fe3Oa, CaO,ZnO, CuO, SiOz'c) KzCO:, NazCO:, MgCO:, BaCO:, CaCO3, AgNO3, NaHSO:,Na2SOa'aj Con,NaoH, vtg(og)2, Ba(oH)2, A(oH)3, Fe(oH)2, ca(oH)2' zn(oH)2, cu(oH)2Bii 3. Ti' mu6i dn, kali clorua, 116 v6i, nu6c vA cac thitit bi cAn thi6t hay vi6t phucrng trinh didu ch6 nu6c Gia-ven, kaliclorat, clorua v6i. Nu6c Gia-ven vir elorua v6i d6u c6 tinh s6t trtrng, tAy tring sgi, vii ... Giei thich. Vi sao clorua vdi

ducv. c sil dpng nhiAu hon nu6c Gia-ven?Bii 4. Vi6t c6c phuong trinh ph6n rlmg x6y ra theo c6c stv dd sau:a) HCI -+ Clz -+ FeCl: + NaCl -+ HCI -+ CuClz + AgCl ---'Agb) MnOz+ Clz-+ HCI + FeCl3 -+ AgCl + Cl2-+Btz-+lzc) KCI -+ Cl2-+ KCIO -+ KCIOr + KCIO+ + KCI -+ KNO3d) Cb + KCIO3 + KCI -+ Cl2-+ Ca(ClO) z-+ CaClz-> Cl2e) KMnOa -+ Clz -+ KCIO: + KCI -+ Clz -+ HCI -+ FeCl2 -+ Fe(OH)2 -+ Fe(OH! -+ Fe2O3 + FeCl: + AgCl0 CaCO: --+ CaCl2-+NaCl + HCI -+ Clz -+ CaOClz -+ CaCO: -+ CaCl2 + NaCl --+ NaCIOg) KI -+ Iz + HI + HCI -+ KCI+ Cl2 -+ HCIO + O:[iNuoH ---+ Nacl ---+ HCI --, clz-+ HCI --+ cuclz + KCI ---+ clz'i) F2 -+ CaF2 -+ F{['+ SiFak) Brz -+ PBr: ---+ HBr ---+ Brz -+ HBrOsBii 5. Hodn thanh c6c so dd phAn ring sau:1. Fe --------> Fecl2\ p"ct, /

NaCIO + HCIO -+ Ch' KCI -+ Clz y'\ rcto, + KCI -+ AgctBni 6. Vii5t c6c phuong trinh phin img xiy ra (n6u c6) khi tAn fggt cho c6c c{p ch6t sau tdc dpng v6i nhau:a) NaCl + ZnBr2 e) HBr +NaI i) AgNO3 + ZnBrz m) Cb + FeClzUi rCf + AgNO: fiCuSOo * ru j) Pb(NOr)z + ZnClz n) Cl2 + SOz + H2O,jNuCt + t, g) KBr + Cl2 k) KI + Cl2 o) COz + NaCIO + H2Od) KF + AgNo3 [i rfet + NaoH l) KBr + 12 p) Cl2 + HzS + Hzo

Bei 7. gO tric c6c phuong trinh phin ri'ng.1. ? + HCI -) ? + Clz +?2.?+HCl-+?+COz+?3. Clz + ? + '! ---+ HzSOa + ?4. ? +? --+NaCl+NaClO+?5. ? + KOH ---, KCIO3 + ?6. SiO, + ? ---+ SiF+ + ?7. ? + ?'CuClz + ?

2.

g. ?+2__-+ SiF4+?9. MgBr2 * ? ---+ Bt2 * ?10. ? + ?_+KOH + ? + Clz11.?*SO2--+?+HzSO+12. Cl2 + '! "+ FeCl313. Cl2 + 'l ---+ Oz * ?14. KCIO3 ---' ? + 2Bni 8. Hodn thdnh c6c chuY,Sn ho6 sau:1.KMnO++A---+B+MnCl2+Cl2t+C4'D+G-+Fe(OH)'J+B2. B+C nan>D +Fl +cl2T 5.KCIO3 ">B+E3. Cl2+Ddemdac '"rB+KCIO3+C 6' F+E ?) CBni 9. Mu6i an c6 l6n c6c t4p chAt ld NazSo+, Mgcl2, cacl2 vd'caSo+. Hdy trinh bdy phuong phip h6a hqc c6 thti loaib6 c6c tap chAt, thu NaCl tinh khiCt. Vi6t phuong trinh h6a hgc c6c phin f'ng'Bii 10. a) Tri Nacl, H2soa, Fe, cu. vii5t c6c phuong trinh ph6n irng diau ch6: Fecl2, Fec13, FeSO+, Fe2(SOa), CuCl2,CuSO+, NazSOr.Bni 11. viet c6c phuong trinh phin ring chf'ng minh tinh o!lr-o-1 cira c6c halogen gi6m dan tir flo d6n i6t'Ndu nhAn x6t vE tinh khft, tinh axit cria c6c h-o. p chAt HX (X ld halogen).

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Bii 12. Hdy ndu vd giiithich hin tueng xdy ra (niiu cd) trong c6c trudng hgp sau:a) Eua m6u gi6-y mAu tAm uort vao binh dpng khi clo. Dirng binh th6p dgng khi clo kh6 md kh6ng dugc dtng binhth6p dgng kh( clo Am.b) Nu'6'c clo, nudc Gia-ven, clorua v6i c6 tinh tAy mAu.c) Kh6ng dirng chai, l9 bing thuj'tinh- ttpg axit [IF.d) Dua tdn qui d6* hdng vdo migng iing nghigm (trong 6ng nghiQm chria h6n hqp KCIO3 * MnOz dang ddt n6ng)."i DAn khi clo vdo dung dich hdn hqp KI ve hd tintr bQt.0 Nh6 it gigt dung dich AgNO3 vdo 6ng nghiQm tlpg dung dlch NaCl, gan b6 nu6c lsc. Sau tl6 d[t menh gidy qu}Am t6n miQng ting nghiQm, dua 6ng nghim ra ngoii 6nh sing.BAf 13. Cho kali pemanganat t6c dpng v6i axit clohidric dic thu du-o. c mQt chAt khi mdu vigg lUc. DIn khi thu dutv. c vdodung dich KOH 6 nhiQt-ttQ thuong va-veo dung dich KOH da dugc dun n6ng t6i 100'C. Vii5t cfc phuong trinh phin ring

xAy ra. Cho bitit vai trd cta clo trong c6c phf,n ftng oxiho6-khir cl6-Bei 14. a) Hoi tan khi clo vdo nudc ta thu du,o. c nu6c clo c6 miu virng. Khi d6 mQt phAn clo t5c dpng v6i nudc. Vflynu6'c clo c6 chria nhtng ctr6t giZb) Cho khi clo t6c dpng vdi vdi t6i hoftc stia vdi thu du-o. c clorua v6i. Clorua vdi trong kh6ng khi dm s0 t6c dsngv6'i cacbon dioxit, giii ph6ng ri axit hipocloro. Vi6t cdc phuong trinh phan img xAy ra. NOu rlmg dpng cta clorua vOi.c) Thdi krhiclodi qua dung dlch natri cacbonat, ngud'i ta ttr:Ay c6 khi X tho6t ra. Thu khi X vdo binh dyng dungdich nu6c v6i trong du th6y dung dich trd ndn vAn dpc. Gi6i thich bing c6c phin img ho6 hqc.d) Cho khi clo ili qua dung dich natri bromu a, th}ry dung dich c6 mdu vang. tii5p tuc cho khi clo di qua, ta thdrydung dich dAn bi rnAt mdu. L6y vai gist dung dich sau thi nghiQm nh6 l6n gi6y quj tim thi gi6y qu! ho6 elo. Hey gi6thfch hiQn tueng vd vitit c6c phuong trinh ho6 hgc xiy ra.e) Cho kni clo du rp" qrru Jung dich kali iotua, mQt th

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Bii 23. Hodn thinh c6c phuong trinh phAn ri'ng diiru ctr6 t

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ffiJ3;.?lfl?.l;'rfti1,:1J* ?n-,';n1< tan h6t trong dung dich HCr thu ducv. c dung dich c6 khtii rusng rcrn hcrnu; oc noa tai 1911 ttaf , I gam mQt kim loai thu6c. nhgm. IJra can dirng 45 0 ml dung dich. Hct 2,0M, thu ducy. c!ffiT'e:t ;;:,;it;Y;"':r:Pi#;i;';^r;i;;;ryr#:'c'lia kim r"ii 'r"i'"ere tri v ;t,?il;b;s-do ,'oi",iu Jung"-f,l--hffil?tJ&$61[j":';l"t?j# phan rng v6i 16 gam cuo thu du-o.c dung dich A. Xric dinh khtii ruqng vab) Hda tan l6.gam h5n hqp cuo vd flgo. vdo. dung dich !!1.{u,. sau ph6n fng thu du-o. c 32,s gammu6i. Tinhhdnh phan o/o theo th5ltoqng toi trtllt.ong hdn hep ban d:iu'vd tinrr r

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P,di 72. a) 31,6 gam KMnO4 t6c dung v6'i dung dich HCI du dugc V lit Cl2 (dktc). Tinh V (hiQu suAt cta phin ung ld7s%). b) Cho 26,1 gamMnOz t5c dpng v6'i dung dich HCI du tdugc 6,048 lit Cl2 (dktc). Tfnh hieu sudt cria ph6n f'ng.Bni 73. Nung 12,87 gam NaCl v6i HzSO+ d[c, du thu dugc bao nhiu lit khi o

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Bni sg. oxit cao nh6t cira nguy6n to R co dang RzOz. Hqp ch6t khi cria n6 v6'i Hidro chua2,74o/ohi