1. Trang chủ
  2. » Giáo Dục - Đào Tạo

Đề thi thử môn hóa học trường đại học sư phạm Hà Nội - đề 5 ppt

5 564 1

Đang tải... (xem toàn văn)

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 5
Dung lượng 3,84 MB

Nội dung

l RT-IONG I)iISi) II \ NOI I t{t'()N(;'t Iil,'t' ('iltr\.tN DIi'f ITI 1'IITI'DAI IIO{-LAN III XAN,T ZOIO ,\'la d0: 3l {) I. PIIAN CI]IING CTIO TAT cA TTIi SINI{ C6u 1: Co bao nhieu trreste c0a glixerol ch0,a dong thCIi 3 clsH3lCOOH ? N{oN rro.{ HQC 'l'ltdi giun. 90 pltilt goc axit C17H35COOH, CTTH33COOH vdr CAU 2: Cho 15 gam h6n hcrp 3 amin dcrn chuc, b6c mOt tac dung vu'a di vo'i dung dich HCI 1,2 M thi thu duoc 18,504gammu6i ThetichdungdrchHCtphdidungtd -'r -j-' A. 0,4 lit B. 0 0B tit c. 0 04 tit D. 0 B tit. Cdu 3: Hoa tan hoan toan 2 81 gam h6n ho'pgom Fe2O3, MgO ZnO bang 300m1 dung dich H2SO4 0,1M (vwa di). C0 can cAn than dung drch thu du,o-c sau [han u,ng t-ni tn, duoc luo-n! mudi s;;fai khan ti A. 5 69 gam B. 5,51 gam C. 5.15 gam. D. 5,21 gam. cdu 4: Ti le s6 phan ti' HNo3 dong vai tro la chat oxi ho6 vd moi truong trong phdn ung : A.'1 8.2 c.5 D.3 FeO + HNOI ) Fe(NO3)3 + NO + H2O le 4.1.2 8.1.9 c.1.3 D. '1 : '10 Cau 5: Co bao nhieu dong phan mach hd', don chu'c co cong thu,c phAn tLi,C4H8O2t6c dung du,oc voiNaOH ? A.6 8.5. c.3 D.4 ciu 6: Hoa tan hoan toan 5 04 gam Fe can t6i tnieu V (ml) dung drch HNo3 2M du'o-c khi No (sdn pham kh& duy nhdt,1 Gid tri cua V ta A.120 B. 60 c. 180 D. 90 CAU 7: Chi dung dung dich nao du'cvi day co the phAn biet du,o-c 6 dung drch mdt nhdn khong mau : NHaNo3, NaCl (NHa)zSOa Mg(NO3)2, FeCt2, Atz(SO4)3 ? * A. NaOH B. BaClz C. AgNO3 D. Ba(OH)z Ciu 8: Cap ancol va amin nao sau dAy co cung bAc ? A. (CoHs)zNH va C5H5CH2OH B. (CH3)TCHOH va (CH3)2CHNH? C. C6H5NHCH3 vd C6H5CH(OH)CH3 D, (CH3).COH va 1CH.).CNH, Ciu 9: Co2 khong chdry va khong duy tri su'chdy crla nhieu chat nen durrc dung oe oap tjt cac dam chdy. Tuy nhi6n, CO, khOng dung de dap tdt dam chay ndo du'o'i day ? A. Dam ch6y do xdng, dau B. Ddm ch6y do magie hoic nhom C. Ddm ch6y do khiga D. Dam chay nha cu;a quan iio. Cdu 10: Phenollg hcrp ch6t nO'u co'ma phan tu,co chLi,a nhom A. -OH lien kOt tru,c ti6p vo'i nguyen ti'cacbon ngoai vong benzen B, -OH va vong benzen. C. -NH2 lien ket tru'c tiep voi nguyen ti'cacbon cria vong benzen. D. -OH lien kettru,c tiep voinguyen trl'cacbon cua von{benzen. Ciu 11: Polietrlen du'o-c trung ho-p tu'etilen. Hdi 280 gam polietilen da du'oc trung hop tu,bao nhi6u phAn tu etilen ? A. 15 6,02. 1 023 C. Khong xac dinh du'oc B. 5.6,02.1023 D. 10.6,02.1023 Cdu 12: Dun nong.3,57 gam h6n hqp X gom propyl c_lorua va phenyl clorua vo,i dung dich NaOH lodng, vua dd, sau do them tiep dung dich AgNo3 den du'vao n6n hop sau phdn ung thu du,oc" 2,87 ga; 1eit,:"" in,ii luo'ng phenyl clorua co trong h6n ho-p X la A. 1,57 gam. B. 2,00 gam C. 1,00 gam D.2,57 gam Ciu '13: Di6n phAn mot dung dich ch['a h6n ho'p gom HCl, Cuclz, NaCl vo,i dien cu,c tro co mdrng ngdn. K6t luan nao du,oi day la khong dung ? f. Oua trinh dien phan HCI di kem vcyi su,gi6m pH cua dung dich. I Oya trinh dien phan NaCldikem voisu tdng pH c0a dung dicn. C. Ket thrlc di6n phAn, pH cua dung dich tang so vcyi ban diu. D. Thu tu,c6c cndt Ui dien ph6n la buCt2, HCt, qtrlaCt va H2O). cau 14: c6 bao nhieu d6ng ph6n cdu tao ld hop ch6t tnom co cong thuc phan t& cTHso ? A. 3 B. 5 c.2 D.4 Ciu 15:_D6t chay hoan toan m gam mot amin X bdng lu,o,ng khong khivua d0 thu du,cyc 17,6 gam COz;12,6 gam H20 vd69,44lit N2 (dktc). Gia thiet khong khi chi gomN, vab2, irong do oxi chiiim 20%"he ticn'f<frOrig khi X c6 cong th0'c ta A. C4HeNH2 B. C3H7NH2 c. c2H5NH2 D. CH3NH2 Cdu 16:.9n: l:. hop_ bot X gom.3 kim loai : Fe, Cu, Ag. De t6ch nhanh Ag ra khdiX ma khong tam thay d6i kh6i lu'ong cc th6 cjung nh0'ng froa chdt ndo sau day ? A. Dung dich HNO: du, B. Dung dich AgNO3 du,. C" Dung dich FeCts du, D. Dung oich Hbt "6 ,uc khi oz du,. CAu 17: Dun no.ng m1 gam ancol no, don ch[ic X vo'i H:SOa dac o nhiet dO thich ho'p thu du'o-c m2 gam ch5t. hu'tt co Y Tikh6r ho'i cua Y so voi X bdng 1,4375 HreLr suat cua phan 0'ng dat 1OO%. Cong thu,c pn5n tu,cfia xte A. C3H7OH B. CH3OH c. c4HsoH D. c2HsoH Cdu 18: Cho 5 B gam muoi FeCO3 t5c dung voidLrng dich HNO3 vu'a du, thu du'o-c h6n hr-r'p khi ch0,a CO2, NO va dung dtch X Cho dung dich HCI du' vao dung dich X ducrc dung dich Y. dung dich Y nay hoa tan du,o'c t6i da m gam Cu sinh ra san pham khu' NO duy nfrdt Grd tn cda m ia A. 16,0 gam. B. 14,4 gam. C. 11,2 gam D. 9,6 gam C6u 19: Cho tu'tu'dung dich ch0'a a mol HClvao dung dich ch0'a b mol Na2CO3 dong thcri khu6y deu, thu duoc V lit khi (dktc) v-r dung dich X. Khi cho du nu'oc vOi trong vao dung dich X thAy xudt hien ket tia Bi6u thrrc lien he gi0,a V vo'i a va b la A.V= 11,2(a-b). B.V= 22,a@-b) C.V= 22,4(a+b) D.V= 11,2(a+b) Ciu 20: Co bao nhieu d6ng ph6n co cung cong th0'c phan tu' CsHj2O khi oxi hoa bSng CuO (t0) tao sdn phAm (gi0'nguyen mach cacbon) co phdn 0'ng trdng gu'ong ? , 4.2 8.3 c.5 Cdu 21: Chieu tang dan tinh axit (tu' trili qua phdi) cr}a 3 axit c6HsoH (x), cH3cooH (Y), H2cosG)tir A.X,Z Y B. Z. X, Y. C.Z,Y,X D.X,Y,Z CAu 22: Th0y phan m gam tinh bOt, sdn phAm thu duqc dem len men d'e sdn xuit ancol etylic, todn b0 khi COz sinh ra cho qLra dung dich Ca(OH)2 du', thu du'cvc 750 gam ket tua. Neu hi0u suSt m6i qud trinh la 80% thi gia tri m la A. 945,0 gam. B. 949,2 gam. C. '1000 gam D. 950,5 gam Cdu 23: H6n hop X gom hai ankin te trep nhau trong cung day dong ddng D5n 5,6 lit h6n hop X (dktc) qua binh du'ng dung dich Br, du'thdy kh6i lu'ong binh tdng them 11,4 gam COng th0'c phAn tu'cua haiankin do id A. C4H6 vd CsHa B. C2H2 va C.H4. C. C3H4 va CaHo. D. C5HB va C6H16 CAu24: Tinh chdt ndo du'oiday khong phai la tinh ch6tcria NaHCO: ? A. La ch6t lu'Ong tinh B. Thuli ph6n cho moi tru'ong bazo' y6u C. Thuy phdn cho mor tru'o'ng axit yeu D. Bi phAn huy bo'i nhiet Ciu 25: D6t cnay hoan todn m gam h6n ho-p hai ancol thuoc ddy d6ng ding cua ancol metylic thu duoc 70,4 gam CO2vd 39,6 gam H2O. Gia tricua m la A. 33 2 gam B. 16,6 gam C.24,9 gam D. 3,32 gam Ciu 26: Trong mOt binh kin chua h6n hop E g6m hidrocacbon X vdr H2 voi mot ii bot Ni Nung nong binh m6t tho'i gian ta thu du'o-c mot khi F duy nh6t O6t cfray F thu du,o'c B B gam COz vd 5,4 gam H2O. Biet V6 = 3V, Cong thti,c cua X ld A. C2H4 B. C2H2 c. c3H8 D. C3H4 CAu27: Cho cac chSt sau. C2H5OH, CH3COOH HCOOH CoHsOH Chieu tang dan do linh dong cia nguyen tu H trong cac nhom chuc cira 4 chet le A. C6H5OH, C2HsOH, HCOOH, CH3COOH. B. C2H5OH, C6H5OH HCOOH, CH3COOH. c. c6H5oH, czHsoH, cH3cooH, HcooH D. czHsoH, c6H5oH, cH3cooH, HcooH Ciu 28: Biet thanh ph3n % kh6i lu'o'ng P trong tinh the Na2HPOa nH2O la 8 659% Tinh the mu6i ngdm nu'oc do co s6 phan t0' H2O la 4.12 B. 10 ^o D. 1'1 CAu 29: Chon cAu khong dung trong cdc cau du,cri ddy v6 luu huynh. A. S khong tan trong nu,crc. B. S la cndt ran mau vang C. S khOng tan trong c6c dung moi hri'u co' D. S d6n dren d5n nhret kem Cdu 30: Ti kh6i hoi cua andehit X so voi H2 bang 29. Biet 2,9 gam X t6c dung vo'i dung dich AgNO3/NH3 du thu du,o. c 10,8 gam Ag. Cong th0'c c6u tao cOa X ld D.4 Cdu 31: Cho 100m1 dung dich amino axit X 0 2M tdc dung vu'a d0 voi 80ml dung dich NaOH 0,25M Mat khdrc 100m1 dung dich amino axit tr6n thc dung vu'a du vcvi 80ml dung dich HCI 0,5M. Biet X co ti kh6i hoi so vcri H2 bing 52 COng thuc phAn ti'cia X ld A. CH3-CH2-CHO. C. CH2=$|J-CH2-CHO A. H2NC3H5(COOH)2 c. (H2N)2C2H3COOH B. CHr=g11-9119 D. OHC_CHO. B. H2NC2H3(COOH)2 D. (HrN)2C2H2(COOH)2 B. Na2SO3, H2O D. NaHSOg, HzO Cdu 32: Strc tu lit 2,24lit SO2 (dktc) vdo 100m1 dung dich NaOH 3M. Cac ch6t co trong dung dich sau phdn u'ng la A. Na2SO3 NaOH, H2O. C. NazSOg, NaHSO:, HzO. Cdu 33: Th0y ngAn dE bay hoi vd rdt OOc Neu ching may nhi6t ke thuy ngan bi vo'thl ch6t ndro du,oi diy co thO dung de khn'dQc thiy ngAn ? A. nu,oc B. t ot lu'u huynh. C. bdt Fe D. natri Cdti 34: Dot cha.v hoan toan n-rot hidrocacbon X bang mot lLlgng vu'a dir oxi DAn h6n ho'p san phAm chay qua H:S04 dic thl the iich khi gram ho.n mOt nfr.a X ttruOc Oay OOng"dAng A. ankan B. ankadien C. anken D. ankrn Cdu_35: 9f ia zo gam h6n hop X gom Al Fe, CLr thanh hai phan bing nhau Phan mot tdc dung het vor dung dich HCI thu du'o-c 5,6lit khi(dktc). Phan haicho vao dung dich NaOH du' thLrduo'c 3 36 tft khi(dktc) inanf, pnan.2 ua f,nai luo'ng cLia Cu co trcng h6n hcp X la A.17% 8.32% c.71%. Ciu 36: Co bao nhiOu dong phan c6u tao c6 cong th0,c phan tu,C4H11N ? A.6 8.5 c.7 CAU 37: F la ho-p chAt htl'u co co mach cacbon khong phan nhdnh va co c6ng thuc phAn tri, C6H10O,. Cho E F: do.lq hoan toan vo'i dung dich NaoH tao ra hai ancol don chLrc co s6 nguyen t& cacbon 96[ ooi nl.r", Conq th0c cau tao cua E la A. CH3COOCH2CH2OOCCH3. B. CH3CH2OOCCH2OOCCH3. c. cH3coocH2cH2coocH3 D. CH3CH2OOCCH2COOCH3 Cdu 38: Moi h6n ho-p gom hai andehit X va Y te tiep nhau trong day dong ddng cua andehit no don chuc, mach ho'(kh6c HCHO) Cho 1.02 gam h6n ho'p tren phd.n 0,ng vo'i dung dlch AgNO3/NH3 du thu dtto-c 4,32 gam Ag kim loai (hi€u suat phdn u,ng 100o/o\ c6ng thu,c c6u tao cua X vd y lan lu,o,t la A. CH3CHO, HCHO. B. C3H7CHO, C4HgCHO. c. HCHO, C2HsCHO D. CH3CHO, C2H5CHO C6u39:Choc6cionsau:PO.,,llSO;, CO; ,llCO,, flpOl , Nll; At3 Theo Bronstet s6 ion Iu'o'ng tinh la A. 1 8.2 c.3 D.4 Cdu 40: Nung nong h6n ho-p gom 5.5 gam Fe voi 4 gam bot S trong binh kin m6t thoj qian du,oc h6n hop X gom FeS, FeS2, Fe va S du' Hoa tan hoan toan X bdng dung dich H'SO4 ddc, nong du tni ine ticn ini thu duoc sau phan 0,ng cr dktc lir A. 11,76 B. 3 36 C. 11€5 D. 8,96 II. PITiN RIUN(; ('l'hi sinh chi ltim mQt trong hoi pttitr) I'IIAN I : TIITiO CIiT]ON(; TI{iNII C-IITTAN CAU 41: X, Y la 2 axit don ch0'c, ke tiep nhau trong cung day dong dang Cho h6n hcrp gOm 4,6 gam X va 6,0 gam Y tdc dung net vOi Na du' thu du'o-c 2,24 lil H rdktcj. COng thri'c phln t0' cua X, y lAn tu,ot ta D.16%. D.8 A. C2H5COOH vd C.HTCOOH C. HCOOH vd CH.COOH B. C2H3COOH va C3H5COOH. D. CH3COOH va C2H5COOH Cdu 42: Cho cilc menh de du'o,i dAy : a)CAc halogen (F, Cl, Br, l) co s6 oxi hod tu,-1 den +7. b) Flo lA cfrSt cni co tinh oxi hod c) F2 dAy du,o-c Cl, ra khoi dung dich mu6i NaCl d)Tinh axit cua c6c ho'p chAt vo'i hidro cua c6c halogen tdng theo th1,tu, HF, HCl, HBr, Hl -: , - Llac menh de luon dUng la A.b,c B.a,b,c c. b.d D.a,b d Cdu 43: Khi dien phan dung dich mu6i trong nuo'c, muoidem dien phan la A. CuSOa B. AgNO3. tri so pH o khu vu,c gan mOt dien cuc tdng l€n. Dung dich c. K2so4 . Cdu 44: Oxi ho6 4,48lit C2Ha(dktc) bdng 02 (xuc tdc PdC12, CuC12)thu duoc cn6t X do,n chuc Toan b6 tuo,ng X tren cho t6c dung vcvi HCN du' thi du'cvc 10,65 gam CH3*CH(CN)-OH. Hieu suSt cOa qud trtnh iao cH3-cH(cN)-oH tn, c2H4 ta 4.75%. B.50% c.60% D.80% !a,1 as,: De phan biet ancol etylic nguyen chdt va ancol etylic co 15n nuoc, ngu'oi ta thuong dung thu6c th1} l2r ch6t ndo sau day ? A. CuO B. CuSOa khan C. Benzen D. KCI D. Na kim loai. S6 thu6c thrl'co th6 d0ng d6 ph6n biet D.2. Cdu 46: Cho c6c thu6c thu' sau . Na ; CuO (t") ; AgNO3/NH. va quy tim hai dong phan khiic chr.r,c co cong thti,c phan tri,CrUuO ta 4.4 B. 3. c. 1 CAu 47:, Nguyen t6 hoa hoc la nhO,ng nguy€n ti, co cung A. so notron B. s6 do'n vi dien tich hat nhan C. s6 t<tr6i D. s6 electron top ngoaicung. Ciu 49: Hod tan hodrn todn h6n ho'p gdm Zn vd ZnO bing dung dic!.'t116. loing, du' Ket th0c thi ng,hi6m khong co khi thoSt ra, dung dich thu du,oc co ch0'a B gam NH4N,Q"v6113 4 gam Zn(NO3)2. Phdn trim s6 mol Zn co trong h6n hcrp ban ddu ld bao nhi6u ? A.93.34% B. 33,33% c.66.67% D. 16 66% C6u 50: Trong tu nhien, dong co 2 dong vi t'3Cir va t'tCu, trong do dong vi "'Ctl chi6m 27%vd s6 nguy€n tu, phAn trdm kh6itu,o-ng cia t'rCu trong CuzO la (biet kh6i luo-ng cia O bdng 16) A.32,150k B. 88.82% c.63% D.64.29% PI{,IN II. TIIIIO CIIU'ONG TIIINI{ NANG CAO C6u51:Dunnongh6nhop2ancoldcynch0,c,dongddnglienti6pdl400C(coHzSOaddcxuctac),thu dvqc2,7 gam H2O vit 13,i gam h6n ho-p 3 ete co s6 mol bing nhau Cong thuc 2 bncol ld A. C3H5OH ; CaHzOH. B. C4HgOH ; C5H11OH' C. CH3OH ; CzHsOH D. C2HsOH ; CgHuOH. C6u 52: Cho m gam tinh bot len men thdnh ancol etylic vcvi hieu sudt 8t%. Toan bo lu'crng CO2 sinh ra durgc hip thqt hodn toan vao dung dich Ca(OH)z du'o-c 550 gam k6t t0a vd dung dich X. Dun kI dung dich X thu th6m du'oc 100 gam tet trla Gi6 tri cua m ld A. 550 B_ 810 c. 750 D. 650. NaAlO2 CoHsONa, C2H5OH Ho6 ch6t ndo Ciu 53: Co 4 lo rieng biet ch0'a c6c dung dich ri6ng : NH4HCO3 du'or d6y co th6 dung de phdn biet du'o-c 4 dung dich tr6n ? CAu 48: Cho phin u'ng sau 2l\O 1k) + O: {k} .+ Phdn ung se dich chuy€n theo chieu thuan khi A. giam dp stt6t. C. giam nhiet d0 vd tdng aP su6t. 2NO2 (kJ , .:\H = -124kJ B. tang nhiet do D. tang nhi6t Co vd gidm drp sudt I It B. \r' A. dung dich BaCl2 B. dLrng dich NaOH C. khi CO2 Ciu 54: U'ng vor cong thri'c CaHoOz co bao nhieu dong pnan t6u tao dich KOH, khong tdc dung vo'i Na ? A.8 B.5 u.o D. dung dich HCI mach ho' t6c dung du'oc vcri dung D.4 C6u 55: Co 4 dung dich rieng biet . NaCl, H2SO4, Na2C03, HCl. Ee nhan bi6t du'qc 4 dung dich tr6n, co th6 dung dung dich A. quy tim B. Ba(HCOg)2. C' phenolphtalein. D' AgNOs' Ciu 56: Hod tan 3,23 gam. h6n ho,p gom CuCl2 vdr Cu(NO:)2 vao nu'crc du'crc dung dicl X Nhfng thanh kim toar Mg vdo dung dich L d6n khi Oung Oicfr m5t mau xanh roi l6y thanh Mg ra, c€rn lai thAy tang thdm 0,8 gam. Kh6i lu'o-ng mu6i tao ra trong dung dich lir A. 1,45gam. B. 1,15gam. C.2,43gam D'4,13gam' C6u 57: Cation tao thirnh tu,kim loai M co cdu hinh electron lcrp ngodi cung ld 2s22p6 Cau hinh electron lop .nT]::in cia nsuyen td M kho#Jlf ra c. 3s1 D. 3s23p1 C6u 5g: Khicho tu,ng ch5t KMnOa, MnO2, KC|O3, K2Cr2Olco cung s6 mol t5c dqng hodn todn voi dung dich HCI ddc, du'thi chdt cho luong khi Cl2 it nh6t le A. MnOz. B. KC|O3. C-KzCrzOt. D' KMnOa' Cdu 59: Mesitilen (X) la mot hidrocacbon thom co cong th0'c ph6n t0'CrH,, Biet X khong c6 khd ndng ldm mAt mdru dung dich brom ; khi X t5c dung vo,i brom theo ti te t : t trong di6u kien dun nong co b6t sit hoic khong c6 nol raf ri6itru,ong ho'p deu tao du,Jc mot d5n xu5t monobrom duy- nhAt,_96ng th0'c c6u tao cua X ld IIrC-Cl I-(-l 1.1 Cdu 60: Cho dung dtch NaOH tfi du'vdo c6c dqlng dung dich Ca(HCO3)2 thi trong cOc B. co bot khi D. khong co hien tLrong r lFr nr i " A. co ket tua trSng C. "O Oot fni ua t"et tua trdng T'HI THti'DAI HOC LAN*l'Hu'BA pAp Ax nrOx uoA l/gd_1.' thi 28-03 -20 I 0 / t't' Cau 334 314 358 385 Cdu 334 310 358 385 I B D A A 31 A c D A 2 D B D A 32 B A A c 3 B D A A 33 B B A B 4 D B D D 34 D A B c 5 G A D B 35 c A D B 6 D A A D 36 c D B c 7 B D c D 37 A D c A I A c A B 38 B D c D 9 A B A D 39 D B D A 10 A D A B 40 D A A D 11 A D B A 41 A c c c 12 B B B A 42 D c B B 13 D A A D 43 c D c A 14 C B c c 44 A A D c 15 c c c B 45 c B D c 16 C c B D 46 c D c A 17 A B D c 47 D B D D 18 B A B B 48 D c D B 19 c B D c 49 A c c B 20 D D c c 50 B D B c 21 D A B c 51 c D B c 22 D B c A 52 D c c A 23 B c D D 53 A D B D 24 B c B A 54 A c B A 25 A A c c 55 c B B B 26 B B D A 56 B c B D 27 B D A B 57 c B A D 28 B A A c 58 D A D B 29 A c A D 59 c c C B 30 c A A D 60 A A c B . C0 can cAn than dung drch thu du,o-c sau [han u,ng t-ni tn, duoc luo-n! mudi s;;fai khan ti A. 5 69 gam B. 5, 51 gam C. 5. 15 gam. D. 5, 21 gam. cdu 4: Ti le s6 phan ti'. uoA l/gd_1.' thi 2 8-0 3 -2 0 I 0 / t't' Cau 334 314 358 3 85 Cdu 334 310 358 3 85 I B D A A 31 A c D A 2 D B D A 32 B A A c 3 B D A A 33 B B A B 4 D B D D 34 D A B c 5 G A D B 35 c A D B 6 D A A D 36 c D B c 7 B D c D 37 A D c A I. du'o-c 55 0 gam k6t t0a vd dung dich X. Dun kI dung dich X thu th6m du'oc 100 gam tet trla Gi6 tri cua m ld A. 55 0 B_ 810 c. 750 D. 650 . NaAlO2 CoHsONa, C2H5OH Ho6

Ngày đăng: 09/08/2014, 08:22

TỪ KHÓA LIÊN QUAN

TÀI LIỆU CÙNG NGƯỜI DÙNG

TÀI LIỆU LIÊN QUAN

w